Consumer Electronics

1. DC voltage: 200mV/2V/20V/200V/1000V2. AC voltage: 2V/20V/200V/700V3. DC current: 2mA/20mA/200mA/20A4. AC current: 2mA/20mA/200mA/20A5. Resistance: 200Ω/2KΩ/20KΩ/200KΩ/20MΩ6. Capacitance: 2nF/20nF/200nF/2μF/200μF7. Frequency: 2kHz8. LCD display Value: 19999. LCD screen size: 70x48mm large screen10. Mechanical protection function: test lead jack mechanical protection function11. Overload protection function: full range overload protection function12. Voltage input impedance: 10MΩ13. Back with support stand, can be tilted and placed on the desktop, allowing you to measure without holding it with both hands.14. Test lead jacks are smooth and secure, with user-friendly mechanical baffles for protection, effectively preventing misoperation and ensuring good plug-in and removal.15. If there is no operation for 15 minutes, the machine will automatically shut down. If the display shows a low battery indicator, the battery needs to be replaced.16. Safe, drop-proof, shockproof, and non-slip leather case to prevent shell damage; thick, durable, and non-slip.17. Product dimensions: 192x88x42mm18. Weight: approximately 600gSpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 21cm * 13cm * 9cm / 8.27inch * 5.12inch * 3.54inch Qty per Carton 12 Carton Weight 8.30kgs / 18.30lb Carton Size 44cm * 28cm * 29cm / 17.32inch * 11.02inch * 11.42inch Loading Container 20GP: 746 cartons * 12 pcs = 8952 pcs 40HQ: 1732 cartons * 12 pcs = 20784 pcs

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1. Radiation types detected: β rays, γ rays, X-rays2. Detector: energy-compensated GM tube 48 x 6.5mm3. Current dose rate: 0.00 - 50,000 μSv/h (50 mSv/h)4. Cumulative dose equivalent: 0.00 μSv - 5000 mSv5. Energy range: 48 keV - 1.5 MeV (±30% error for 137Cs-)6. Sensitivity: 80 CPM/μSv7. Dose units: μSv/h, mSv/h8. Relative inherent error: -17% to 25%9. Power supply: 2 x 1.5V AAA batteries (not included)10. Size: about 16.5 × 1.4 × 1.2 cm11. Weight: about 44gFeatures:1. Utilizes a GM counter tube with high sensitivity to ensure measurement accuracy2. Simple operation with one-button measurement3. Dual measurement units to meet diverse needs4. Auto-shuts off if no measurement signal is detected within 5 minutes after startup5. High-definition backlit display for easy reading of measurement data6. High-strength eco-friendly ABS plastic housing, impact-resistant and durable7. Lightweight and compact pen-style design for convenient portabilitySpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 19cm * 6cm * 5cm / 7.48inch * 2.36inch * 1.97inch Qty per Carton 100 Carton Weight 20.70kgs / 45.64lb Carton Size 47cm * 37cm * 20cm / 18.5inch * 14.57inch * 7.87inch Loading Container 20GP: 766 cartons * 100 pcs = 76600 pcs 40HQ: 1779 cartons * 100 pcs = 177900 pcs

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1. 2.4-inch TFT-LCD high-definition color screen with backlight and clear reading display2. Can display the change trend of the input real-time signal through the curve (can record up to 100,000 or 15 groups of data)3. Applicable working conditions: PLC system debugging, DCS system debugging simulation, valve positioner adjustment, instrument test calibration, frequency converter detection4. Small shape, easy to carry5. Built-in 3000mAh lithium battery, can stand by for 24 hours6. The remaining power can be displayed in the upper right corner of the screen7. Support TYPE-C interface fast charging8. ABS anti-drop hard shell + silicone surround protection9. LCD size: 2.4 inches10. Power input: 5V-12V/100W (MAX)11. Weight: 167 grams12. Dimensions: 112x82x28 mmPacking list:- Signal generator x 1- USB charging head x 1- TYPE-C data cable x 1- Alligator test clip x 4- User manual x 1- Box x 1Specification: Package Weight One Package Weight 0.49kgs / 1.09lb One Package Size 17cm * 18cm * 11cm / 6.69inch * 7.09inch * 4.33inch Qty per Carton 20 Carton Weight 10.20kgs / 22.49lb Carton Size 52cm * 35cm * 35cm / 20.47inch * 13.78inch * 13.78inch Loading Container 20GP: 418 cartons * 20 pcs = 8360 pcs 40HQ: 971 cartons * 20 pcs = 19420 pcs

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1. Sampling rate: 25Ms/s2. Bandwidth: 200k3. Vertical sensitivity: 10mv/div- 20v/dIV (1-2-5 gradual)4. Time base range: 10μs/Div-50s/Div (1-2-5 increment)5. Voltage range: X1: 40V (VPP: 80V), X10: 400V (PP: 800V)6. Triggering method: automatic routine/single shot7. Coupling method: AC/DC8. Display: 2.8 inches/PPI: 320*2409. USB charging: 5V/1A10. Lithium battery capacity: 1000mAh11. Calibration square wave: frequency 1K12. Built-in large-capacity lithium battery for power supply, allowing you to work outdoors without site restrictions13. Highly sensitive buttons, simple and easy to understand operating experience14. Size: 99x68.3x19.5mm15. Weight: 100gStandard:-152 host x 1- Type-C data cable x 1- Common probe x 1- Instructions x 1Upgrades:-152 Host x 1- Type-C data cable x 1- Common probe x 1- P6100 high voltage probe x 1- Adapter x 1- Instructions x 1Specification: Package Weight One Package Weight 0.28kgs / 0.61lb One Package Size 21cm * 15cm * 5cm / 8.27inch * 5.91inch * 1.97inch Qty per Carton 100 Carton Weight 25.40kgs / 56.00lb Carton Size 46cm * 43cm * 27cm / 18.11inch * 16.93inch * 10.63inch Loading Container 20GP: 499 cartons * 100 pcs = 49900 pcs 40HQ: 1159 cartons * 100 pcs = 115900 pcs

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1. Sampling rate: 25Ms/s2. Bandwidth: 200k3. Vertical sensitivity: 10mv/div- 20v/dIV (1-2-5 gradual)4. Time base range: 10μs/Div-50s/Div (1-2-5 increment)5. Voltage range: X1: 40V (VPP: 80V), X10: 400V (PP: 800V)6. Triggering method: automatic routine/single shot7. Coupling method: AC/DC8. Display: 2.8 inches/PPI: 320*2409. USB charging: 5V/1A10. Lithium battery capacity: 1000mAh11. Calibration square wave: frequency 1K12. Built-in large-capacity lithium battery for power supply, allowing you to work outdoors without site restrictions13. Highly sensitive buttons, simple and easy to understand operating experience14. Size: 99x68.3x19.5mm15. Weight: 100gStandard:-152 host x 1- Type-C data cable x 1- Common probe x 1- Instructions x 1Upgrades:-152 Host x 1- Type-C data cable x 1- Common probe x 1- P6100 high voltage probe x 1- Adapter x 1- Instructions x 1Specification: Package Weight One Package Weight 0.28kgs / 0.61lb One Package Size 21cm * 15cm * 5cm / 8.27inch * 5.91inch * 1.97inch Qty per Carton 100 Carton Weight 25.40kgs / 56.00lb Carton Size 46cm * 43cm * 27cm / 18.11inch * 16.93inch * 10.63inch Loading Container 20GP: 499 cartons * 100 pcs = 49900 pcs 40HQ: 1159 cartons * 100 pcs = 115900 pcs

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1. The 4.3-inch capacitive touch screen responds instantly with a light touch, while the physical buttons ensure overall control. The integration of both interaction methods makes every operation smooth and unobstructed.2. With a simple touch of the fingertip, operations such as switching and confirmation can be completed. The colorization and layering enhance the presentation of information, making the operation more precise.3. The body is lightweight and compact, taking up little space.4. The combination of FPGA, MCU, and ADC is not a simple stacking but a deep collaboration of "high-speed hardware processing + flexible software control + precise signal acquisition", possessing an ultra-fast signal processing capability.5. A powerful tool for measuring power supply ripple, avoiding high-frequency noise interference, restoring the true signal, and improving measurement accuracy and stability.6. 6 types of mathematical operations, enabling easy waveform measurement and enhancing data analysis capabilities.7. 13 types of parameter measurements (such as RMS, peak value, etc.), combined with cursor positioning, quickly capturing abnormal signals.8. Fluorescent display combined with grayscale and color temperature, real-time capturing signal dynamics, further analyzing details, intermittent events, and intuitively distinguishing signal components, easily detecting glitch-like abnormal signals.9. Automatic triggering forces a rapid display of waveforms when there is no signal, and normal triggering allows for single-trigger capture of occasional signals to freeze the waveform for analysis to ensure measurement accuracy.10. Through "high-resolution display + true RMS algorithm + professional function integration", it not only meets the requirements for research and development debugging to capture tiny parameter changes but also solves the accuracy problem of non-sinusoidal wave measurement.11. Equipped with curve recording function, it can capture and present changes in various measurement parameters in real time, generating clear and intuitive data trend graphs.12. Supports output of 9 types of function signals, with an output frequency of 0-10 MHz, amplitude of 0.1-3.0 Vpp, and duty cycle of 0-100%.13. By connecting to a computer via a USB data cable, waveforms can be exported and firmware can be upgraded to conduct secondary analysis of the waveforms.14. Built-in 5000mAh large-capacity rechargeable lithium battery, with a battery life of up to 5 hours.15. Adjustable anti-slip stand, providing stable support and ensuring safe use.16. Independent triggering button, making operation more convenient. Scope function parameters:1. Channels: Dual channels2. Sampling rate: 500 MSa/s3. Analog bandwidth: 100 MHz4. Storage depth: 10K, 100K, 1M5. Input impedance: 1 MΩ6. Time base range: 5 ns ~ 50 s7. Vertical sensitivity: 10 mV ~ 10 V/div8. Measured voltage: 800 V (at X10 setting)9. Trigger mode: automatic, normal, single10. Trigger type: rising edge, falling edge, bi-directional edge11. Display mode: point, vector, color temperature12. Coupling: AC/DC13. Afterglow: min/2s/5s/10s/20s/50s/0014. Operations: 6 basic operations15. Waveform screenshot saving: supported16. Export waveform graphics: supported17. Cursor measurement: supported Function parameters of the signal generator:1. Channel: Single channel2. Frequency: 0 - 10 MHz3. Amplitude: 0.1 - 3.0 Vpp4. Duty cycle: 0 - 100% Function parameters of the multimeter:1. DC Voltage: 1.9999V/19.999V/199.99V/1000V2. AC Voltage: 1.9999V/19.999V/199.99V/750.0V3. DC Current: 19.999mA/199.99mA/1.9999A/9.999A4. AC Current: 19.999mA/199.99mA/1.9999A/9.999A5. Resistance: 19.999ΜΩ/1.9999ΜΩ/199.99ΚΩ/19.999ΚΩ; 1.9999ΚΩ/199.99Ω6. Capacitance: 999.9uF/99.99uF/9.999uF/999.9nF/99.99nF/9.999nF; 9.999mF/99.99mF Packaging list:- 2D15P desktop oscilloscope- 2 x P6100 probes- Test leads for multimeter- Alligator clip probes- USB data cable- Instruction manualSpecification: Package Weight One Package Weight 1.10kgs / 2.42lb One Package Size 25cm * 12cm * 19cm / 9.84inch * 4.72inch * 7.48inch Qty per Carton 10 Carton Weight 12.10kgs / 26.68lb Carton Size 58cm * 38cm * 27cm / 22.83inch * 14.96inch * 10.63inch Loading Container 20GP: 448 cartons * 10 pcs = 4480 pcs 40HQ: 1040 cartons * 10 pcs = 10400 pcs

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1. Detection: 48mm Geiger counter tube2. Measurement range: 0.05uSv/h–10mSv/h3. Operating environment: -20°C to 50°C, humidity <95%RH (non-condensing)4. Battery capacity: 350mAh5. Battery life: About 15–24 hours6. Charging time: about 1 hour7. Charging port: Type-C8. Material: aluminum alloy9. Screen size: 0.96 inch TFT color display10. Size: about 1.6 x 2.7 x 15cmFeatures:1. Aluminum alloy shell with anodized finish2. Portable lanyard design, compact and easy to carry3. Utilizes GM counter tube for sensitive detection, ensuring measurement accuracy4. TFT high-definition display for easy viewing and reading in various lighting conditions5. Triple alarm alerts: audible, flashing light, and vibration; over-limit warning ensures timely safety alerts6. Powered by built-in lithium battery for energy efficiency, durability, and reusabilitySpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 16cm * 9cm * 5cm / 6.3inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 41cm * 36cm * 31cm / 16.14inch * 14.17inch * 12.2inch Loading Container 20GP: 582 cartons * 100 pcs = 58200 pcs 40HQ: 1352 cartons * 100 pcs = 135200 pcs

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1. Detection: 48mm Geiger counter tube2. Measurement range: 0.05uSv/h–10mSv/h3. Operating environment: -20°C to 50°C, humidity <95%RH (non-condensing)4. Battery capacity: 350mAh5. Battery life: About 15–24 hours6. Charging time: about 1 hour7. Charging port: Type-C8. Material: aluminum alloy9. Screen size: 0.96 inch TFT color display10. Size: about 1.6 x 2.7 x 15cmFeatures:1. Aluminum alloy shell with anodized finish2. Portable lanyard design, compact and easy to carry3. Utilizes GM counter tube for sensitive detection, ensuring measurement accuracy4. TFT high-definition display for easy viewing and reading in various lighting conditions5. Triple alarm alerts: audible, flashing light, and vibration; over-limit warning ensures timely safety alerts6. Powered by built-in lithium battery for energy efficiency, durability, and reusabilitySpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 16cm * 9cm * 5cm / 6.3inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 41cm * 36cm * 31cm / 16.14inch * 14.17inch * 12.2inch Loading Container 20GP: 582 cartons * 100 pcs = 58200 pcs 40HQ: 1352 cartons * 100 pcs = 135200 pcs

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1. Menu operation and color-screen HD display.2. Thickness measurement of non-magnetic coating on magnetic metal substrate surface and non-metallic coating on non-magnetic metal substrate.3. Two measurement methods: single measurement, continuous measurement.4. Three calibration modes: basic, offset, zero calibration.5. Metric/imperial unit and storage function.6. Screen rotation, charge protection, multi-interface displays,screen brightness selection.7. Bluetooth function(go with corresponding APP).8. Automatic shutdown.9. USB transport data(operating with PC software). Specification:1. Measurement range: 0~1500 um/0~59mil/0~1.5mm2. Resolution: (0.1 um(less than 100 um),1 um(more than or equal to 100 um))/0.1mil/0.001mm3. Measurement error: less than equal to 150 um , +/-5 um, more than 150 um , +/-(3%H+1 um)4. Minimum diameter of magnetic metal substrate: 12mm5. Minimum thickness of magnetic metal substrate: 0.5mm6. Minimum radius of curvature for magnetic convex substrate: 2mm7. Minimum radius of curvature for magnetic concave substrate: 11mm8. Minimum diameter of non-magnetic metal substrate: 50mm9. Minimum thickness of non-magnetic metal substrate: 0.5mm10. Size: 70.30x38.6x149.59mm11. Weight: 108gSpecification: Package Weight One Package Weight 0.72kgs / 1.60lb One Package Size 27cm * 20cm * 7cm / 10.63inch * 7.87inch * 2.76inch Qty per Carton 20 Carton Weight 16.18kgs / 35.67lb Carton Size 68cm * 46cm * 31cm / 26.77inch * 18.11inch * 12.2inch Loading Container 20GP: 275 cartons * 20 pcs = 5500 pcs 40HQ: 638 cartons * 20 pcs = 12760 pcs

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1. This multifunctional environmental monitor offers two configurations: a comprehensive 6-in-1 model detecting carbon monoxide (CO), oxygen (O2), atmospheric pressure, altitude, temperature, and humidity; and a 3-in-1 model focused on CO, temperature, and humidity detection. Designed for indoor air quality assessment and safety monitoring. 2. Over-limit alarm function – Triggers alerts when gas concentrations (e.g., CO) exceed safe levels, providing critical safety warnings. 3. Adjustable brightness and units – Screen backlight brightness can be adjusted for varying lighting conditions; supports Celsius/Fahrenheit temperature unit switching to accommodate user preferences. 4. Compact, portable, and rechargeable design – Weighs only 112g with dimensions of 70x70x30mm for high portability. Features a built-in 1600mAh lithium battery rechargeable via Type-C port. 5. Electrochemical sensor technology – Utilizes professional electrochemical sensors to ensure accurate and reliable readings. Technical Specifications: 1. Sensor type: Electrochemical 2. Measurement ranges: --Carbon monoxide (CO): 0–500 ppm --Oxygen (O2): 0–30.0 %Vol --Atmospheric pressure: 300–1100 hPa --Temperature: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) --Humidity: 20% to 85% RH 3. Power supply: 1600mAh lithium battery (Type-C charging) 4. Product weight: 112g (3.95 oz) 5. Product dimensions: 70 x 70 x 30 mm Package contents: Main unit, Type-C charging cable, English manualSpecification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 14cm * 9cm * 14cm / 5.51inch * 3.54inch * 5.51inch Qty per Carton 40 Carton Weight 7.50kgs / 16.53lb Carton Size 44cm * 25cm * 37cm / 17.32inch * 9.84inch * 14.57inch Loading Container 20GP: 655 cartons * 40 pcs = 26200 pcs 40HQ: 1521 cartons * 40 pcs = 60840 pcs

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1. This four-in-one sound level meter is a portable monitoring device that simultaneously displays noise levels, temperature, humidity, and time on a clear LED screen. Suitable for both home and professional environments, it helps users effectively evaluate and manage acoustic conditions. 2. Four-parameter real-time display – The device concurrently shows noise decibel readings (dBA), temperature, humidity, and current time on the same LED screen, providing comprehensive environmental data. 3. Six-segment bar graph visualization – Features six-segment bar symbols to visualize noise levels in an intuitive bar graph format. Combined with digital readings, it offers immediate clarity on sound intensity variations. 4. Adjustable brightness and units – Screen brightness can be adjusted according to ambient light. Supports temperature unit toggling (Celsius/Fahrenheit) and time settings to accommodate personalized usage needs. 5. Built in 2000mAh rechargeable lithium battery, Type-C charging port for convenient power replenishment and extended battery life. Parameters: 1. Product weight: 208g (7.34 oz) 2. Display: LED screen 3. Measurement range: 30–130 dBA 4. Accuracy: +/-1.5 dBA 5. Atmospheric pressure: 12.5–15.4 PSI 6. Sampling time: 1.5 seconds 7. Temperature range: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 8. Storage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit) 9. Relative humidity: 20%–85% 10. Product dimensions: 160.5 x 90.5 x 50 mm (6.3 x 3.5 x 1.96 inches) Package contents: Main unit, Type-C charging cable, neutral English manualSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 20cm * 13cm * 8cm / 7.87inch * 5.12inch * 3.15inch Qty per Carton 24 Carton Weight 10.70kgs / 23.59lb Carton Size 42cm * 38cm * 34cm / 16.54inch * 14.96inch * 13.39inch Loading Container 20GP: 491 cartons * 24 pcs = 11784 pcs 40HQ: 1140 cartons * 24 pcs = 27360 pcs

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1. This 10-in-1 air quality monitor precisely detects critical environmental parameters, including carbon dioxide (CO?), PM2.5, PM1.0, PM10, Air Quality Index (AQI), formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), temperature, and humidity. It features data storage and wired export functions to help users track air quality trends over time. 2. Comprehensive 10-parameter monitoring—The device synchronously tracks and displays real-time readings for CO?, particulate matter (PM1.0, PM2.5, PM10), AQI, formaldehyde, TVOC, temperature, and humidity on a clear LCD screen, offering a complete overview of indoor environments. 3. Data storage and PC export function—Built-in data logging automatically saves measurements at preset intervals. Historical data can be exported to a computer via the included Type-C cable for in-depth analysis and long-term trend tracking using software like Excel, moving beyond reliance on single instantaneous readings. 4. Advanced multi-sensor fusion technology—Combines professional-grade sensors: an NDIR (Non-Dispersive Infrared) sensor for CO? detection, a laser scattering sensor for particulate matter, and electrochemical/semiconductor sensors for formaldehyde and TVOC. These work with a high-performance processing chip to ensure reliable and accurate measurements. 5. Broad applicability and technical specifications—Supports wide measurement ranges using standardized units, suitable for homes, offices, schools, and other indoor environments. Technical Specifications: 1. Material: ABS 2. Product weight: 233g (8.2 oz) 3. Product dimensions: 164 x 74 x 26 mm (6.4 x 2.9 x 1 inches) 4. Power supply: Rechargeable lithium battery (1500mAh) 5. Sensor types: --CO? technology: Infrared (NDIR) --PM2.5 sensor technology: Laser scattering --HCHO (formaldehyde) technology: Electrochemical --TVOC technology: Semiconductor sensor 6. Measurement ranges: --AQI: 0–500 --CO?: 400–5000 ppm --PM2.5/1/10: 0–999 μg/m3 --HCHO (formaldehyde): 0.001–1.999 mg/m3 --TVOC: 0.001–9.999 mg/m3 7. Atmospheric pressure: 12.5–15.4 PSI 8. Sampling time: 1.5 seconds 9. Temperature range: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 10. Relative humidity: 20%–85% 11. Storage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit) 12. Humidity range: 20%–85% 13. Displayed parameters: CO?, PM2.5, PM1.0, PM10, HCHO (formaldehyde), TVOC, AQI, temperature, humidity, time 14. Storage capacity: Up to 4000 datasets 15. Storage format: CSV 16. Data management: When 4000 entries are reached, the device automatically overwrites the oldest data while continuing storage Package contents: Main unit, Type-C cable, universal English manualSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 26cm * 20cm * 8cm / 10.24inch * 7.87inch * 3.15inch Qty per Carton 20 Carton Weight 12.20kgs / 26.90lb Carton Size 56cm * 29cm * 27cm / 22.05inch * 11.42inch * 10.63inch Loading Container 20GP: 608 cartons * 20 pcs = 12160 pcs 40HQ: 1411 cartons * 20 pcs = 28220 pcs

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1. This multifunctional environmental monitor offers two configurations: a comprehensive 6-in-1 model detecting carbon monoxide (CO), oxygen (O2), atmospheric pressure, altitude, temperature, and humidity; and a 3-in-1 model focused on CO, temperature, and humidity detection. Designed for indoor air quality assessment and safety monitoring. 2. Over-limit alarm function – Triggers alerts when gas concentrations (e.g., CO) exceed safe levels, providing critical safety warnings. 3. Adjustable brightness and units – Screen backlight brightness can be adjusted for varying lighting conditions; supports Celsius/Fahrenheit temperature unit switching to accommodate user preferences. 4. Compact, portable, and rechargeable design – Weighs only 112g with dimensions of 70x70x30mm for high portability. Features a built-in 1600mAh lithium battery rechargeable via Type-C port. 5. Electrochemical sensor technology – Utilizes professional electrochemical sensors to ensure accurate and reliable readings. Technical Specifications: 1. Sensor type: Electrochemical 2. Measurement ranges: --Carbon monoxide (CO): 0–500 ppm --Oxygen (O2): 0–30.0 %Vol --Atmospheric pressure: 300–1100 hPa --Temperature: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) --Humidity: 20% to 85% RH 3. Power supply: 1600mAh lithium battery (Type-C charging) 4. Product weight: 112g (3.95 oz) 5. Product dimensions: 70 x 70 x 30 mm Package contents: Main unit, Type-C charging cable, English manualSpecification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 14cm * 9cm * 14cm / 5.51inch * 3.54inch * 5.51inch Qty per Carton 40 Carton Weight 7.50kgs / 16.53lb Carton Size 44cm * 25cm * 37cm / 17.32inch * 9.84inch * 14.57inch Loading Container 20GP: 655 cartons * 40 pcs = 26200 pcs 40HQ: 1521 cartons * 40 pcs = 60840 pcs

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1. This four-in-one plug-in detector is your comprehensive monitoring solution for home or workplace. It continuously detects carbon monoxide (CO) and combustible gas (GAS) leaks while monitoring ambient temperature and humidity. Its clear display and alarm functions provide essential safety and environmental status alerts. 2. The devices LCD screen simultaneously displays all four parameters. Large digits and unique icons for CO, GAS, temperature, and humidity make data easily readable, even for non-professional users. 3. Equipped with reliable Winsen brand sensors, it offers high sensitivity and accurate detection. It features an intelligent dual-stage alarm system with different alerts for "routine warning" and "emergency alarm" levels, providing clear warnings based on severity. 4. Designed for long-term placement, it operates on standard plug-in power (no batteries required or included). The device allows you to freely switch the temperature display unit between Celsius and Fahrenheit as needed. Specifications: 1. Material: ABS 2. Weight: 84 g 3. Product dimensions: 106 x 55 x 53 mm 4. Detection range: --CO (0-500 ppm) --GAS (0-100% LEL) 5. Resolution: CO (1 ppm), GAS (1% LEL) 6. CO alarm thresholds: a) 50 PPM - 99 PPM: Routine alarm b) 100 PPM or above: Emergency alarm 7. Gas alarm thresholds: a) 4% - 7%: Routine alarm b) 8% or above: Emergency alarmSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 13.50kgs / 29.76lb Carton Size 57cm * 40cm * 41cm / 22.44inch * 15.75inch * 16.14inch Loading Container 20GP: 285 cartons * 120 pcs = 34200 pcs 40HQ: 662 cartons * 120 pcs = 79440 pcs

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1. This compact dust detector, with its small size and excellent precision detection capability, has become your reliable choice for maintaining air quality. It uses an advanced laser sensor to accurately measure the concentration of PM2.5 particles and dust in the air. Easy to operate with a simple interface, it starts with one press to display real-time PM2.5, temperature, and humidity data, allowing you to track air quality changes. Once exceeding the standard is detected, the device immediately alerts you to take prompt action to avoid risks. 2. Product dimensions: 70 x 70 x 32 mm 3. Product weight: 120 g 4. Display method: LCD screen 5. Display parameters: PM2.5, Temperature, Humidity 6. PM2.5 detection method: Laser scattering 7. PM2.5 concentration unit: ug/m3 8. PM2.5 detection range: 0-999 ug/m3 9. Temperature range: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 10. Storage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit) 11. Relative humidity: 20%-85% 12. Humidity range: 20%-85% 13. Power supply: 800 mAh rechargeable lithium batterySpecification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 12cm * 11cm * 8cm / 4.72inch * 4.33inch * 3.15inch Qty per Carton 40 Carton Weight 13.50kgs / 29.76lb Carton Size 51cm * 42cm * 27cm / 20.08inch * 16.54inch * 10.63inch Loading Container 20GP: 461 cartons * 40 pcs = 18440 pcs 40HQ: 1070 cartons * 40 pcs = 42800 pcs

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1. This 9-in-1 air quality monitor that simultaneously tracks formaldehyde (HCHO), PM1.0/PM2.5/PM10 particles, carbon dioxide (CO?), TVOC, temperature, humidity, and AQI in real time. Designed for both home and professional use, it features a color screen and customizable alarms to help you maintain optimal indoor air quality.2. A large color screen clearly shows all readings with easy-to-read fonts. The AQI color-coded warning bar makes air quality status instantly understandable for all ages.3. Simply turn it on to start monitoring immediately. The built-in 3000mAh lithium battery and Type-C charging port support portable use throughout your home, office, or vehicle.4. Set personalized alert levels for CO? concentrations. The alarm triggers when levels exceed your preset limits, helping you take timely action.5. Switch between Celsius and Fahrenheit temperature units, and choose between 12-hour or 24-hour time formats according to your preference.Specifications:1. Material: ABS Plastic2. Product Dimensions: 130 × 78 × 66 mm3. Product Weight: 302 g4. Battery: Built-in 3000mAh Lithium Battery5. Charging Port: Type-C6. Display Screen: HD Color Screen7. Interface Display: Main Interface / Historical Data / Settings InterfaceSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 25cm * 20cm * 6cm / 9.84inch * 7.87inch * 2.36inch Qty per Carton 20 Carton Weight 14.00kgs / 30.86lb Carton Size 45cm * 35cm * 38cm / 17.72inch * 13.78inch * 14.96inch Loading Container 20GP: 445 cartons * 20 pcs = 8900 pcs 40HQ: 1034 cartons * 20 pcs = 20680 pcs

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1. This five-in-one plug-in detector is a multifunctional device designed to monitor key indoor environmental parameters. It tracks carbon monoxide (CO), combustible gas, air quality index (AQI), temperature, and humidity in real-time. Equipped with an alarm system for exceeding standards, it is powered by an external USB adapter, requires no batteries, and provides continuous protection and convenience. 2. To use, align the USB adapter with the detectors USB port and insert it, then connect to a standard AC power outlet (90-240V). After powering on, the display shows all parameters for 1 second and beeps. Touch screen operation is simple: lightly press to light up the screen and trigger a beep. 3. By lightly pressing, switch the temperature unit between Celsius and Fahrenheit. Double-tap to calibrate, long-press to exit settings. 4. If there is no operation for 3 consecutive minutes, the display dims automatically to save energy. The device operates continuously when plugged in, ensuring uninterrupted monitoring. Specifications: 1. Weight: 127.7 grams 2. Product material: ABS plastic 3. Power supply method: External plug-in 4. Sensor type: Electrochemical 5. Carbon monoxide detection range: 0 to 500 ppm 6. Combustible gas detection range: 0 to 100 percent LEL 7. Product dimensions: 64.44 mm x 64.44 mm x 79.8 mmSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 12cm * 8cm * 10cm / 4.72inch * 3.15inch * 3.94inch Qty per Carton 60 Carton Weight 10.10kgs / 22.27lb Carton Size 32cm * 30cm * 47cm / 12.6inch * 11.81inch * 18.5inch Loading Container 20GP: 591 cartons * 60 pcs = 35460 pcs 40HQ: 1372 cartons * 60 pcs = 82320 pcs

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1. This four-in-one plug-in detector is your comprehensive monitoring solution for home or workplace. It continuously detects carbon monoxide (CO) and combustible gas (GAS) leaks while monitoring ambient temperature and humidity. Its clear display and alarm functions provide essential safety and environmental status alerts. 2. The devices LCD screen simultaneously displays all four parameters. Large digits and unique icons for CO, GAS, temperature, and humidity make data easily readable, even for non-professional users. 3. Equipped with reliable Winsen brand sensors, it offers high sensitivity and accurate detection. It features an intelligent dual-stage alarm system with different alerts for "routine warning" and "emergency alarm" levels, providing clear warnings based on severity. 4. Designed for long-term placement, it operates on standard plug-in power (no batteries required or included). The device allows you to freely switch the temperature display unit between Celsius and Fahrenheit as needed. Specifications: 1. Material: ABS 2. Weight: 84 g 3. Product dimensions: 106 x 55 x 53 mm 4. Detection range: --CO (0-500 ppm) --GAS (0-100% LEL) 5. Resolution: CO (1 ppm), GAS (1% LEL) 6. CO alarm thresholds: a) 50 PPM - 99 PPM: Routine alarm b) 100 PPM or above: Emergency alarm 7. Gas alarm thresholds: a) 4% - 7%: Routine alarm b) 8% or above: Emergency alarmSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 13.50kgs / 29.76lb Carton Size 57cm * 40cm * 41cm / 22.44inch * 15.75inch * 16.14inch Loading Container 20GP: 285 cartons * 120 pcs = 34200 pcs 40HQ: 662 cartons * 120 pcs = 79440 pcs

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1. This is a 5-in-1 wall-mounted environmental monitor, integrating noise decibel measurement, temperature, humidity, and time display functions. The device features a large LED screen and supports smart linkage via the Tuya app for real-time monitoring.2. The device simultaneously displays five key parameters on the LED screen: noise level (units: dBA), temperature, humidity, AQI, and current time. It visualizes noise intensity using color-coded emoticons (e.g., smiley face, neutral face, warning face) and bar graphs for intuitive data understanding.3. Smart Linkage Function: Through Tuya Smart WiFi integration, users can connect the monitor to the Tuya mobile app for remote access. This allows viewing real-time data anytime. The upgraded version additionally supports data storage/download and customizable threshold alerts (e.g., for noise or temperature limits).4. Space-saving design with a wall-mounted, slim profile (269 x 89 x 35 mm), featuring a clear LED screen for easy reading. The device runs on a built-in 2000mAh lithium battery. The basic model uses a DC interface, while the upgraded version features a Type-C interface for enhanced convenience.5. Three versions are available:--Celsius Basic Version: Displays temperature in Celsius only.--Fahrenheit Basic Version: Displays temperature in Fahrenheit only.--Upgraded Version: Adds data storage/download, threshold alert functions, and temperature unit switching (supports Celsius and Fahrenheit conversion). Parameters:1. Material: ABS plastic 2. Weight: 320 g (11.3 oz)3. Dimensions: 269 x 89 x 35 mm (10.6 x 3.5 x 1.4 in)4. Measurement Range: Noise: 30-130 dBA; Temperature: -10 to 50 Celsius (14 to 122 degrees Fahrenheit); Humidity: 20%-85% RH5. Sampling Time: 1.5 seconds6. Storage Temperature: -10 to 60 Celsius 7. Atmospheric Pressure: 12.5-15.4 PSI8. Battery: 2000mAh lithium batterySpecification: Package Weight One Package Weight 0.68kgs / 1.50lb One Package Size 35cm * 14cm * 6cm / 13.78inch * 5.51inch * 2.36inch Qty per Carton 20 Carton Weight 13.50kgs / 29.76lb Carton Size 44cm * 25cm * 37cm / 17.32inch * 9.84inch * 14.57inch Loading Container 20GP: 655 cartons * 20 pcs = 13100 pcs 40HQ: 1521 cartons * 20 pcs = 30420 pcs

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1. This is a 5-in-1 wall-mounted environmental monitor, integrating noise decibel measurement, temperature, humidity, and time display functions. The device features a large LED screen and supports smart linkage via the Tuya app for real-time monitoring.2. The device simultaneously displays five key parameters on the LED screen: noise level (units: dBA), temperature, humidity, AQI, and current time. It visualizes noise intensity using color-coded emoticons (e.g., smiley face, neutral face, warning face) and bar graphs for intuitive data understanding.3. Smart Linkage Function: Through Tuya Smart WiFi integration, users can connect the monitor to the Tuya mobile app for remote access. This allows viewing real-time data anytime. The upgraded version additionally supports data storage/download and customizable threshold alerts (e.g., for noise or temperature limits).4. Space-saving design with a wall-mounted, slim profile (269 x 89 x 35 mm), featuring a clear LED screen for easy reading. The device runs on a built-in 2000mAh lithium battery. The basic model uses a DC interface, while the upgraded version features a Type-C interface for enhanced convenience.5. Three versions are available:--Celsius Basic Version: Displays temperature in Celsius only.--Fahrenheit Basic Version: Displays temperature in Fahrenheit only.--Upgraded Version: Adds data storage/download, threshold alert functions, and temperature unit switching (supports Celsius and Fahrenheit conversion). Parameters:1. Material: ABS plastic 2. Weight: 320 g (11.3 oz)3. Dimensions: 269 x 89 x 35 mm (10.6 x 3.5 x 1.4 in)4. Measurement Range: Noise: 30-130 dBA; Temperature: -10 to 50 Celsius (14 to 122 degrees Fahrenheit); Humidity: 20%-85% RH5. Sampling Time: 1.5 seconds6. Storage Temperature: -10 to 60 Celsius 7. Atmospheric Pressure: 12.5-15.4 PSI8. Battery: 2000mAh lithium batterySpecification: Package Weight One Package Weight 0.68kgs / 1.50lb One Package Size 35cm * 14cm * 6cm / 13.78inch * 5.51inch * 2.36inch Qty per Carton 20 Carton Weight 13.50kgs / 29.76lb Carton Size 44cm * 25cm * 37cm / 17.32inch * 9.84inch * 14.57inch Loading Container 20GP: 655 cartons * 20 pcs = 13100 pcs 40HQ: 1521 cartons * 20 pcs = 30420 pcs

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1. Material: ABS/PVC/Silicone2. AC voltage: 0V-1000V3. DC voltage: 0V-750V4. Capacitance: 0nF-99.99mF5. Resistance: 0Ω-19.99MΩ6. Frequency: 9.999Hz-999.9kHz7. Count: 199998. Insulation resistance measurement: connect the test leads, select the voltage range on the dial, press TIME to set the time, press TEST to start, and the test is complete when the triangle indicator light goes out.9. Polarization index (PI) Measurement: the polarization index is measured because insulation is sensitive to temperature and humidity. Initial measurements are inaccurate due to interference current. Long-term measurement and calculation of this index are necessary to assess insulation quality and aging.10. Absorption ratio (DAR) Measurement: determines if moisture affects the insulation resistance value of the device by measuring the insulation resistance value after 1 minute and the insulation resistance absorption ratio after 15 seconds.11. Powered by three 3.7V 14500 batteries, removable and rechargeable with a charger. After fully charging, reinstall the batteries in the meter for recycling and extended battery life (batteries not included in shipment).12. If the meter remains inactive for approximately 15 minutes, it will automatically shut down and enter sleep mode, saving power and providing peace of mind.13. Weight: 375g14. Dimensions: 18x9x5.6cmSpecification: Package Weight One Package Weight 0.78kgs / 1.72lb One Package Size 27cm * 13cm * 7cm / 10.63inch * 5.12inch * 2.76inch Qty per Carton 8 Carton Weight 7.30kgs / 16.09lb Carton Size 29cm * 28cm * 30cm / 11.42inch * 11.02inch * 11.81inch Loading Container 20GP: 1094 cartons * 8 pcs = 8752 pcs 40HQ: 2541 cartons * 8 pcs = 20328 pcs

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1. Material: ABS2. Measuring range: 0~1000PPM3. Detected gases: R22/R32/R134a4. Preheating time (T90): 30 seconds5. Response time (T90): 10 seconds6. Sampling method: diffusion7. Temperature unit: Celsius/Fahrenheit8. When refrigerant leaks, the screen displays the concentration value. When the detected concentration exceeds the set alarm threshold, a rapid beep will sound and a flashing red light will illuminate.9. The extended flexible hose is made of metal and can be bent freely, making long-distance detection more convenient.10. Digital backlit high-definition screen, clearly visible even in dark environments.11. Battery-powered version: use a screwdriver to open the cover and replace with two 1.5V AAA batteries (not included).12. Rechargeable model: charges via USB cable. A red light indicates charging, and a green light indicates a full charge. It has a built-in 500mA high-capacity rechargeable lithium battery.13. Without any button operation, the instrument will automatically shut off after approximately 15 minutes. A short press of the APO button when turning it on will cancel the automatic shutdown.Specification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 23cm * 8cm * 5cm / 9.06inch * 3.15inch * 1.97inch Qty per Carton 48 Carton Weight 8.10kgs / 17.86lb Carton Size 48cm * 34cm * 32cm / 18.9inch * 13.39inch * 12.6inch Loading Container 20GP: 510 cartons * 48 pcs = 24480 pcs 40HQ: 1185 cartons * 48 pcs = 56880 pcs

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1. Material: ABS2. DC voltage: 0.8V-1000V3. AC voltage: 0.8V-750V4. AC/DC current: 0mA-10A5. Resistance: 0Ω-60MΩ6. Capacitance: 0.0mF-100.0mF7. Count: 60008. Automatic shutdown: the meter will automatically shut down after 15 minutes of inactivity to save power.9. Comfortable grip with anti-slip textured design for easier measurement; ergonomic design.10. High-definition backlit screen ensures clear visibility in complex environments; flashlight illumination eliminates the fear of not being able to see the measurement location.11. The meter is powered by a built-in 3.7V lithium battery and comes with a TYPE-C charging cable.12. Switch to LIVE mode and use the red probe to measure. When it touches the live wire, a progress bar will appear on the screen, accompanied by a beep; the neutral wire will not react.13. Connect the positive and negative terminals of the temperature wire to the instrument, and touch the other end to the object being measured. The real-time temperature will be displayed, providing clear data and easy operation.14. Switch to the NCV setting. When AC voltage is detected, a beeping alarm will sound; the closer the object, the more rapid the alarm.15. Dimensions: 14.5 x 7 x 1.9 cm16. Weight: 162gSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 72 Carton Weight 30.30kgs / 66.80lb Carton Size 47cm * 34cm * 32cm / 18.5inch * 13.39inch * 12.6inch Loading Container 20GP: 521 cartons * 72 pcs = 37512 pcs 40HQ: 1210 cartons * 72 pcs = 87120 pcs

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1. Material: ABS2. DC voltage: 0.8V-1000V3. AC voltage: 0.8V-750V4. AC/DC current: 0mA-10A5. Resistance: 0Ω-60MΩ6. Capacitance: 0.0mF-100.0mF7. Count: 60008. Automatic shutdown: the meter will automatically shut down after 15 minutes of inactivity to save power.9. Comfortable grip with anti-slip textured design for easier measurement; ergonomic design.10. High-definition backlit screen ensures clear visibility in complex environments; flashlight illumination eliminates the fear of not being able to see the measurement location.11. The meter is powered by a built-in 3.7V lithium battery and comes with a TYPE-C charging cable.12. Switch to LIVE mode and use the red probe to measure. When it touches the live wire, a progress bar will appear on the screen, accompanied by a beep; the neutral wire will not react.13. Connect the positive and negative terminals of the temperature wire to the instrument, and touch the other end to the object being measured. The real-time temperature will be displayed, providing clear data and easy operation.14. Switch to the NCV setting. When AC voltage is detected, a beeping alarm will sound; the closer the object, the more rapid the alarm.15. Dimensions: 14.5 x 7 x 1.9 cm16. Weight: 162gSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 72 Carton Weight 30.30kgs / 66.80lb Carton Size 47cm * 34cm * 32cm / 18.5inch * 13.39inch * 12.6inch Loading Container 20GP: 521 cartons * 72 pcs = 37512 pcs 40HQ: 1210 cartons * 72 pcs = 87120 pcs

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1. Material: ABS2. Measuring range: 0~1000PPM3. Detected gases: R22/R32/R134a4. Preheating time (T90): 30 seconds5. Response time (T90): 10 seconds6. Sampling method: diffusion7. Temperature unit: Celsius/Fahrenheit8. When refrigerant leaks, the screen displays the concentration value. When the detected concentration exceeds the set alarm threshold, a rapid beep will sound and a flashing red light will illuminate.9. The extended flexible hose is made of metal and can be bent freely, making long-distance detection more convenient.10. Digital backlit high-definition screen, clearly visible even in dark environments.11. Battery-powered version: use a screwdriver to open the cover and replace with two 1.5V AAA batteries (not included).12. Rechargeable model: charges via USB cable. A red light indicates charging, and a green light indicates a full charge. It has a built-in 500mA high-capacity rechargeable lithium battery.13. Without any button operation, the instrument will automatically shut off after approximately 15 minutes. A short press of the APO button when turning it on will cancel the automatic shutdown.Specification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 23cm * 8cm * 5cm / 9.06inch * 3.15inch * 1.97inch Qty per Carton 48 Carton Weight 9.30kgs / 20.50lb Carton Size 48cm * 34cm * 32cm / 18.9inch * 13.39inch * 12.6inch Loading Container 20GP: 510 cartons * 48 pcs = 24480 pcs 40HQ: 1185 cartons * 48 pcs = 56880 pcs

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1. Screen display: LCD backlit screen2. Unit switching: μT/mG °C/°F3. Power supply: 1.5V AAA batteries x 24. Electric field radiation: 1V/m-1999V/m5. Magnetic field radiation: 0.01μT/99.99μT6. Reading display: 3-1/2 digit LCD display; test bandwidth: 5Hz-3500MHz7. Sampling time: Approx. 0.4 seconds8. Test mode: average/peak mode9. Automatic shutdown function, more environmentally friendly and energy-saving, longer battery life and durability10. Man-made electromagnetic radiation sources include all electrical appliances. Taking precautions and using household appliances properly can effectively prevent and reduce electromagnetic radiation.11. High-voltage line electromagnetic radiation: detects immediately upon power-on. Hold the instrument and slowly bring the front sensing area close to the electromagnetic radiation source being tested.12. Mainly used for detecting electromagnetic fields, magnetic fields, and temperature in living and working environments.13. Net weight: 53g14. Dimensions: 150.5x32.8x25.5mmSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 5cm * 5cm / 7.09inch * 1.97inch * 1.97inch Qty per Carton 84 Carton Weight 17.90kgs / 39.46lb Carton Size 38cm * 37cm * 32cm / 14.96inch * 14.57inch * 12.6inch Loading Container 20GP: 592 cartons * 84 pcs = 49728 pcs 40HQ: 1375 cartons * 84 pcs = 115500 pcs

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1. Material: ABS/stainless steel2. Count: 40003. NCV sensitivity: when the probe tip is close to the object being tested, a green backlight flashes when the induced electric field is weak, and a red backlight flashes when the induced electric field is strong.4. Circuit break location: select NCV mode and follow the circuit. A strong alarm signal indicates a good circuit, while a weak signal indicates a break.5. Suitable for various automotive circuit tests; AUTO automatically identifies AC voltage, resistance, and continuity tests.6. P-Phase sequence detection: switch to Phase mode and follow the steps below to touch the A, B, and C points of the three-phase power supply to detect the phase sequence.7. LCD backlit display: the screen values ??are clearly visible in dark environments.8. Live mode: when the probe tip touches the circuit, the live wire displays "H" with a beep, and the neutral wire displays "Live" with no beep.9. High-resilience spring cord, made of stretchable and tensile-resistant material, will not deform even after repeated stretching, fully elastic and shrinks back to its original shape without becoming tangled, featuring tensile strength, durability, and cold resistance.10. A3016: equipped with a Type-C charging cable, red light during charging, green light when fully charged, built-in 500mA high-capacity rechargeable lithium battery.11. A3015: uses two AAA batteries (not included).12. After 15 minutes of inactivity after powering on, the product will automatically enter sleep mode and shut down, extending battery life and saving energy.13. Dimensions: 17.7x2.8x2.6cmSpecification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 20cm * 9cm * 5cm / 7.87inch * 3.54inch * 1.97inch Qty per Carton 48 Carton Weight 10.00kgs / 22.05lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 48 pcs = 25056 pcs 40HQ: 1212 cartons * 48 pcs = 58176 pcs

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1. This product is a multifunctional air quality monitor that combines various high-quality air sensors and a built-in fan to provide real-time monitoring of carbon dioxide (CO2), particulate matter (PM2.5/1.0/10), formaldehyde (HCHO), total volatile organic compounds (TVOC), temperature, and humidity. It not only captures various real-time air quality data but also supports smart WiFi, connecting via the Tuya app for easy operation. After connecting to your phone, you can view real-time data anytime, allowing you to understand the surrounding air quality conditions. 2. Smart linkage control: With the help of the Tuya smart platform, it can be linked with other smart home devices. For example, when the air quality monitor detects that indicators such as formaldehyde or PM2.5 exceed the standard, it can automatically trigger the air purifier to start purification mode, or link with the air conditioner to adjust indoor temperature and ventilation, creating a healthy and comfortable indoor environment for users. 3. Exceedance automatic alarm: Users can set alarm thresholds on the Tuya app. Once air quality data exceeds the set safety range, the app will immediately push notifications to remind users to take corresponding measures, such as opening windows for ventilation, to promptly ensure the health and safety of family members. 4. Data visualization and historical traceability: The app presents air quality data in intuitive chart forms, supporting querying change curves for three different time dimensions: daily, monthly, and yearly, making it convenient for users to understand air quality trends. At the same time, historical data storage is traceable, providing data support for a healthy environment. 5. Multi-device management: Users can manage multiple air quality monitors in one app, comprehensively understanding the air quality conditions in various rooms at home. 6. Built-in rechargeable lithium battery, supports charging via Type-C interface. Parameters: 1. Product weight: 235 grams (8.30 ounces) 2. Product dimensions: 145x78x97mm (5.7x3.1x3.8 inches) 3. Display method: LCD display 4. Measurement items: CO2, PM2.5, PM1.0, PM10, AQI, HCHO (formaldehyde), TVOC, temperature, humidity 5. CO2 detection method: Infrared (NDIR) 6. PM2.5/1.0/10 detection method: Laser scattering 7. CO2 concentration unit: ppm 8. PM2.5/1.0/10 concentration unit: ug/m3 9. CO2 measurement range: 400 to 5000 ppm 10. PM2.5/1.0/10 measurement range: 0 to 999 ug/m3 11. Temperature range: -10 to 50 Celsius (14 to 122 Fahrenheit) 12. Humidity range: 20 percent to 85 percent 13. Sampling time: 1.5 seconds 14. Storage temperature: -10 to 60 Celsius (14 to 140 Fahrenheit) 15. Relative humidity: 20 percent to 85 percent 16. Atmospheric pressure: 12.5 PSI to 15.4 PSI Packaging list: Main unit + English manual + 1 USB charging cableSpecification: Package Weight One Package Weight 0.48kgs / 1.07lb One Package Size 20cm * 13cm * 12cm / 7.87inch * 5.12inch * 4.72inch Qty per Carton 20 Carton Weight 10.80kgs / 23.81lb Carton Size 57cm * 29cm * 43cm / 22.44inch * 11.42inch * 16.93inch Loading Container 20GP: 375 cartons * 20 pcs = 7500 pcs 40HQ: 870 cartons * 20 pcs = 17400 pcs

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1. Material: ABS/stainless steel2. Count: 40003. NCV sensitivity: when the probe tip is close to the object being tested, a green backlight flashes when the induced electric field is weak, and a red backlight flashes when the induced electric field is strong.4. Circuit break location: select NCV mode and follow the circuit. A strong alarm signal indicates a good circuit, while a weak signal indicates a break.5. Suitable for various automotive circuit tests; AUTO automatically identifies AC voltage, resistance, and continuity tests.6. P-Phase sequence detection: switch to Phase mode and follow the steps below to touch the A, B, and C points of the three-phase power supply to detect the phase sequence.7. LCD backlit display: the screen values ??are clearly visible in dark environments.8. Live mode: when the probe tip touches the circuit, the live wire displays "H" with a beep, and the neutral wire displays "Live" with no beep.9. High-resilience spring cord, made of stretchable and tensile-resistant material, will not deform even after repeated stretching, fully elastic and shrinks back to its original shape without becoming tangled, featuring tensile strength, durability, and cold resistance.10. A3016: equipped with a Type-C charging cable, red light during charging, green light when fully charged, built-in 500mA high-capacity rechargeable lithium battery.11. A3015: uses two AAA batteries (not included).12. After 15 minutes of inactivity after powering on, the product will automatically enter sleep mode and shut down, extending battery life and saving energy.13. Dimensions: 17.7x2.8x2.6cmSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 20cm * 9cm * 5cm / 7.87inch * 3.54inch * 1.97inch Qty per Carton 48 Carton Weight 9.20kgs / 20.28lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 48 pcs = 25056 pcs 40HQ: 1212 cartons * 48 pcs = 58176 pcs

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1. DC voltage range/resolution/accuracy: 0.001-610 V / 0.001 V / +/- (0.8% + 3) 2. AC voltage range/resolution/accuracy: 0.001-610 V / 0.001 V / +/- (1.0% + 3) 3. DC current range/resolution/accuracy: 0.001-100 A / 0.001 A / +/-(3%+5) 4. AC current range/resolution/accuracy: 0.001-100 A / 0.001 A / +/-(3%+5) 5. Resistance range/resolution/accuracy: 0.1ohm-60 M ohm / 0.1 ohm / +/-(1.2%+3) 6. Capacitance range/resolution/accuracy: 0.01 μF-60 μF / 0.01 μF / +/-(3.5%+8) 7. Frequency range/resolution/accuracy: 1 Hz-9.999 MHz / 0.001 Hz / +/-(2.0%+10) 8. Duty cycle range/resolution/accuracy: 10.0-95.0% / 0.1% / +/-3.0% 9. Temperature (Type K thermocouple) range/resolution/accuracy: -50 to 1000 degrees Celsius / 1 degree Celsius / +/-(2.0%+3) 10. Ambient temperature range/resolution/accuracy: 0 to 50 degrees Celsius / 1 degrees Celsius / +/-2 degrees Celsius 11. Buzzer activation: the buzzer sounds when the measured resistance is less than 50 ohms12. Diode: automatic recognition of diodes with voltage less than 3V13. Auto-off: 15 minutes14. Other functions: non-contact voltage detection, live wire detection15. Power supply: built-in 3.7V 400mA lithium battery16. Charging port: Type-C17. Size: about 19.2 x 4.58 x 3 cm18. Weight: about 122 gFeatures:1. No need to strip wires or interrupt circuits; simply clip thick or thin wires into the openings to instantly display AC and DC current readings2. NCV (Non-Contact Voltage Detection) for safer voltage testing without physical contact3. Full-range intelligent burnout protection; the meter won’t burn out even if the wrong range is selected, ensuring safer use4. Intelligent burnout protection chip with full-range overload protection; automatically starts measuring upon power-on5. 2.8-inch HD LCD screen for clear readings6. Silicone buttons for easy operationPackage list:1. Tester x 12. Test leads x 23. Type K thermocouple x 14. Charging cable x 15. Storage case x 16. User manual x 1Specification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 30cm * 9cm * 5cm / 11.81inch * 3.54inch * 1.97inch Qty per Carton 50 Carton Weight 17.50kgs / 38.58lb Carton Size 44cm * 38cm * 32cm / 17.32inch * 14.96inch * 12.6inch Loading Container 20GP: 498 cartons * 50 pcs = 24900 pcs 40HQ: 1157 cartons * 50 pcs = 57850 pcs

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1. Temperature measurement range: -30 - 800 degree Celsius2. Display window: 3.5 x 1.8 cm3. Refresh rate: 500MS per time4. Reverse connection protection: yes5. Working environment: -20 - 50 degree Celsius6. Temperature measurement accuracy: 0.3 degrees Celsius7. Resolution: 0.1 degree Celsius within 100 degree Celsius, 1 degree Celsius outside 100 degree Celsius8. Self-power consumption: less than 50mA/0.6W9. Maximum humidity: 90% - 100% / use in non-frosting environment10. Probe specification: 304 stainless steel / 4 x 40mm11. Embedded opening: 45.5 x 26mm12. Size: about 4.8 x 2.9 x 2.3cmSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 7cm * 6cm * 5cm / 2.76inch * 2.36inch * 1.97inch Qty per Carton 225 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 32cm / 18.5inch * 14.57inch * 12.6inch Loading Container 20GP: 479 cartons * 225 pcs = 107775 pcs 40HQ: 1112 cartons * 225 pcs = 250200 pcs

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1. Temperature measurement range: -30 - 800 degree Celsius2. Display window: 3.5 x 1.8 cm3. Refresh rate: 500MS per time4. Reverse connection protection: yes5. Working environment: -20 - 50 degree Celsius6. Temperature measurement accuracy: 0.3 degrees Celsius7. Resolution: 0.1 degree Celsius within 100 degree Celsius, 1 degree Celsius outside 100 degree Celsius8. Self-power consumption: less than 50mA/0.6W9. Maximum humidity: 90% - 100% / use in non-frosting environment10. Probe specification: 304 stainless steel / 4 x 40mm11. Embedded opening: 45.5 x 26mm12. Size: about 4.8 x 2.9 x 2.3cmSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 7cm * 6cm * 5cm / 2.76inch * 2.36inch * 1.97inch Qty per Carton 225 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 32cm / 18.5inch * 14.57inch * 12.6inch Loading Container 20GP: 479 cartons * 225 pcs = 107775 pcs 40HQ: 1112 cartons * 225 pcs = 250200 pcs

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1. Temperature measurement range: -30 - 800 degree Celsius2. Display window: 3.5 x 1.8 cm3. Refresh rate: 500MS per time4. Reverse connection protection: yes5. Working environment: -20 - 50 degree Celsius6. Temperature measurement accuracy: 0.3 degrees Celsius7. Resolution: 0.1 degree Celsius within 100 degree Celsius, 1 degree Celsius outside 100 degree Celsius8. Self-power consumption: less than 50mA/0.6W9. Maximum humidity: 90% - 100% / use in non-frosting environment10. Probe specification: 304 stainless steel / 4 x 40mm11. Embedded opening: 45.5 x 26mm12. Size: about 4.8 x 2.9 x 2.3cmSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 7cm * 6cm * 5cm / 2.76inch * 2.36inch * 1.97inch Qty per Carton 225 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 32cm / 18.5inch * 14.57inch * 12.6inch Loading Container 20GP: 479 cartons * 225 pcs = 107775 pcs 40HQ: 1112 cartons * 225 pcs = 250200 pcs

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1. Frequency range: 10 Hz ~ 20 kHz2. Nominal sensitivity level: -28 dB (0 dB with 1 V/Pa as reference)3. A/D sampling frequency: 48 kHz/44.1 kHz/32 kHz/22 kHz/16 kHz/8 kHz4. Sampling bits: 16 bits5. USB standard: USB 2.0, backward compatible with USB 1.16. Power supply: USB 5V power supply7. Measurement range: 26 ~ 126 dB8. Complies with GB/T 3785.1/IEC 61672-11 (Digital Sound Level Meter), GB/T 3241/IEC 61260 Class 1 (Digital Filter), and SJ/T 10724-2015 PM2F Class 1 standards, meeting professional testing requirements.9. Supports PC, iOS, and Android, connects via USB, and can perform functions such as integral measurement, statistical measurement, 1/1 OCT, 1/3 OCT, and FFT analysis.10. Dimensions: 12.7 x 12.7 x 113.5 mm11. Weight: 50gSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 14cm * 5cm * 5cm / 5.51inch * 1.97inch * 1.97inch Qty per Carton 126 Carton Weight 20.00kgs / 44.09lb Carton Size 44cm * 37cm * 32cm / 17.32inch * 14.57inch * 12.6inch Loading Container 20GP: 511 cartons * 126 pcs = 64386 pcs 40HQ: 1188 cartons * 126 pcs = 149688 pcs

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1. Accuracy: class 12. Air Pressure compensation: automatic compensation3. Sound pressure level: 114.0dB and 94.0dB4. Frequency: 1000Hz5. Settling time: less than 15s6. Operating voltage range: 2.2V~3.4V7. Battery: 2 x 1.5V AA batteries (not included)8. Complies with authoritative standards GB/T 15173-2010 and IEC 60942:2017, providing accurate sound pressure sensitivity calibration for testing microphones and acoustic measuring instruments.9. Switch sound pressure levels with the toggle button for faster and more convenient calibration.10. Dimensions: 72x72x42mm11. Weight: 96gSpecification: Package Weight One Package Weight 0.11kgs / 0.24lb One Package Size 10cm * 10cm * 6cm / 3.94inch * 3.94inch * 2.36inch Qty per Carton 120 Carton Weight 13.70kgs / 30.20lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 120 pcs = 62640 pcs 40HQ: 1212 cartons * 120 pcs = 145440 pcs

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1. Sound pressure level range: 51dBA~142 dBA2. Suitable for various occasions such as factories, offices, traffic roads, homes, and audio equipment.3. AWA14421 model test capacitor microphone, frequency response 20Hz~12.5kHz, covering daily and industrial noise frequency bands.4. Multifunctional measurement, the instrument has four measurement functions: "Sound Exposure Level", "Statistical Integration", "1/1 OCT", and "1/3 OCT".5. Clear and visual interface, dual display modes of graphs and lists, real-time display of 6 indicators, intuitive operation.6. Multiple measurement indicators, supports multiple measurement indicators such as LAFp, LAeq,t, LAeqt,T, LAFmax, LAFmin, and LApeak, list mode can display multiple indicators on one screen.7. A/C/Z three-level frequency weighting, A-weighting simulates the human ear, G-weighting is suitable for industrial scenarios, and Z-weighting closely matches the original data.8. Time weighting has F (Fast), S (Slow), I (Pulse), select the mode according to your needs for more accurate measurements.9. Large 64G capacity; measurement results are saved in text file format on internal storage, which can be opened directly with PC Notepad.10. IP65 dustproof and waterproof, ABS+PC shell material, strong weather resistance, suitable for various usage scenarios, fearless of harsh environments.11. Standard probe windproof bulb, effectively improving measurement accuracy.12. Carrying clips at the top and bottom for convenient carrying.13. 5V/1A USB cable charging, 2000mAh lithium battery.14. Weight: 119g15. Dimensions: 90 x 49 x 64mmSpecification: Package Weight One Package Weight 0.14kgs / 0.32lb One Package Size 12cm * 8cm * 10cm / 4.72inch * 3.15inch * 3.94inch Qty per Carton 48 Carton Weight 7.90kgs / 17.42lb Carton Size 50cm * 34cm * 32cm / 19.69inch * 13.39inch * 12.6inch Loading Container 20GP: 490 cartons * 48 pcs = 23520 pcs 40HQ: 1137 cartons * 48 pcs = 54576 pcs

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1. Measurement range: 17 dB(A) ~ 144 dB(A)2. Measurement microphone: AWA14425 measuring microphone, reference sensitivity level -28 dB3. Frequency range: 10 Hz ~ 20 kHz4. A/D Bit depth: 24 bits5. Sampling frequency: 48 kHz, 96 kHz6. Internal noise: less than 8 dBA/10 dBC/20 dBZ; Low-field self-generated noise less than 17 dBA7. Time weighting: parallel (simultaneous) F, S, I8. Frequency weighting: parallel (simultaneous) A, C, Z9. Detection characteristics: true RMS digital detection10. Display: 3.5-inch capacitive touchscreen11. Measurement time: arbitrarily settable from 1 second to 99 hours12. Data Storage: 64 13. Suitable for various occasions such as factories, offices, traffic roads, homes, and audio equipment.14. AWA14425 test microphone, frequency response 10Hz~20kHz, covering daily and industrial noise frequency bands.15. 7 modes: total value integration, statistical integration, 24-hour measurement, 1/1 OCT analysis, 1/3 OCT analysis, FFT analysis, sound exposure level measurement.16. 3.5-inch capacitive touch screen + physical button dual operation, freely switchable between graphical/list/simple interface.17. A/C/Z three-level frequency weighting: A-weighting simulates the human ear, C-weighting is suitable for industrial scenarios, and Z-weighting closely matches the original data.18. Time weighting has F (fast), S (slow), and I (pulse) modes; select the mode according to the actual situation for more accurate measurement.19. Supports day and night limit settings; automatic flashing warning when exceeding the limit.20. Equipped with AC/DC, I/O, and USB transmission interfaces on the bottom; built-in Bluetooth + 4G. Transmission Functions21. The instrument can connect to a printer via serial port or Bluetooth.22. Standard configuration includes a probe windproof bulb, effectively improving measurement accuracy.23. Rear battery compartment design, using 6 AA batteries (not included).24. Bottom USB power supply interface, allowing for extended continuous use.25. Dimensions: 286x85x36mm26. Product weight: 330gSpecification: Package Weight One Package Weight 0.35kgs / 0.78lb One Package Size 31cm * 11cm * 6cm / 12.2inch * 4.33inch * 2.36inch Qty per Carton 15 Carton Weight 6.40kgs / 14.11lb Carton Size 33cm * 35cm * 32cm / 12.99inch * 13.78inch * 12.6inch Loading Container 20GP: 721 cartons * 15 pcs = 10815 pcs 40HQ: 1674 cartons * 15 pcs = 25110 pcs

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1. Measurement range: 40 dBA~130 dBA2. Accuracy: GB/T 3785.1-2023 Class 2 / IEC 61672-1: 2013 Class 23. Frequency range: 20 Hz~12.5 kHz4. Unit Noise: less than 33 dBA5. Frequency weighting: A-weighting6. Time weighting: F (Fast), S (Slow)7. Resolution: 0.1 dB8. Display: 3.5-digit LCD9. Suitable for various occasions including factories, offices, roads, homes, and audio equipment.10. Equipped with AWA14421B pre-polarized condenser microphone, frequency response 20Hz~12.5kHz, covering daily and industrial noise frequencies.11. Time weighting includes F... (Fast) and (Slow) dual modes; select the mode according to actual needs for more accurate measurements.12. When the measured sound level exceeds the upper limit of the maximum measurement range, the overload indicator illuminates, effectively protecting the instrument.13. AC/DC output socket; this socket uses a stereo output socket, allowing connection to high-impedance monitoring headphones for enhanced expansion capabilities.14. Standard probe windproof bulb effectively improves measurement accuracy.15. High-precision condenser microphone for accurate measurement and stable performance suitable for various application scenarios.16. Rear battery compartment design; uses 4 AAA batteries (not included).17. Bottom USB power supply interface for extended continuous use.18. Dimensions: 194x68x27mm19. Weight: 147gSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 23cm * 9cm * 5cm / 9.06inch * 3.54inch * 1.97inch Qty per Carton 48 Carton Weight 9.30kgs / 20.50lb Carton Size 48cm * 38cm * 32cm / 18.9inch * 14.96inch * 12.6inch Loading Container 20GP: 456 cartons * 48 pcs = 21888 pcs 40HQ: 1060 cartons * 48 pcs = 50880 pcs

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1. Measurement method: supports auto-range/manual range2. AC voltage: 0.8 V - 600 V / +/-1.2% + 53. DC voltage (DCV): 0.8 V - 600 V / +/-1.0% + 54. Resistance: 1 ohm - 60 Mohm / +/-1.2% + 55. Frequency: 40 Hz - 10 MHz / +/-0.1% + 56. Capacitance (TA807B only): 1 nF – 60,000 μF / ±3.5% + 107. Display: four-digit color display, maximum display value 6,0008. Sampling rate: 3 times per second9. Overrange indication: OL displayed in the most significant digit10. Supported functions: NCV detection, continuity test, diode measurement (TA807B only), data hold, flashlight illumination, low voltage alert (below 2.4V), color display11. Auto-off: automatically turns off after 15 minutes of inactivity (can be manually canceled)12. Operating environment: -10 to 50°C, maximum 80% relative humidity, indoor altitude below 2000m13. Storage environment: -10 to 50°C, maximum 70% relative humidity (batteries should be removed)14. Power supply: 2 x 1.5V AAA batteries (not included)15. Display size: about 45 x 52 mm16. S: about 13 x 6.6 x 1.9 cm17. Weight: about 175 gFeatures:1. After powering on, it can measure AC/DC voltage, resistance, and continuity, with automatic range selection2. DC voltage measurement: touch the red and black probes to the positive and negative terminals of the battery, respectively; the screen automatically displays the DC voltage value3. Resistance measurement: touch the red and black probes to both ends of the resistor, respectively; the screen automatically displays the resistance value4. Continuity test: touch the test probes to both ends of the circuit under test; an audible alert sounds if the circuit is continuous, and there is no response if it is open5. NCV non-contact voltage detection6. Display with built-in color backlightPackage list:1. Multimeter x 12. Test probes x 23. User manual x 1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 70 Carton Weight 15.60kgs / 34.39lb Carton Size 40cm * 38cm * 32cm / 15.75inch * 14.96inch * 12.6inch Loading Container 20GP: 548 cartons * 70 pcs = 38360 pcs 40HQ: 1272 cartons * 70 pcs = 89040 pcs

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1. Measurement range: 0-54.8% RH2. Resolution: 0.1% RH3. Accuracy: +/-1%4. Display: four-digit monochrome display, maximum value 19995. Probe specifications: M3 metric threaded probe, 5 mm hex head6. Sampling rate: 2 times per second7. Three-color indicator lights: red / green / blue8. Features: data hold, maximum value measurement, minimum value measurement, flashlight illumination, low battery warning (displayed when voltage drops below 2.6V)9. Auto-shutdown: auto-shuts off after 15 minutes of inactivity (can be manually canceled)10. Operating environment: -10 to 50°C, max. 80% relative humidity, indoor altitude below 2000m11. Storage environment: -10 to 60°C, max. 70% relative humidity (recommended to remove batteries before storage)12. Power supply: 2 x 1.5V AAA batteries (not included)13. Display size: about 30 x 30 mm14. Size: about 13.6 x 5.5 x 2.8 cm15. Weight: about 120 gFeatures:1. Adjustable for 7 material types2. Customizable threshold values for the three-color indicator lights3. Capable of locking maximum, minimum, and real-time values during measurement4. High-definition large screen display with white backlight5. Built-in flashlight for operation in low-light conditionsPackage list:1. Moisture meter x 12. Protective cover x 13. Pouch x 14. User manual x 1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 20cm * 8cm * 5cm / 7.87inch * 3.15inch * 1.97inch Qty per Carton 50 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 37cm * 34cm / 16.54inch * 14.57inch * 13.39inch Loading Container 20GP: 504 cartons * 50 pcs = 25200 pcs 40HQ: 1171 cartons * 50 pcs = 58550 pcs

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1. Ambient temperature measurement:- Measurement range: -20 to 60 degrees Celsius / -4 to 140 degrees Fahrenheit- Accuracy: +/-1.5 degrees Celsius / +/-3 degrees Fahrenheit- Display resolution: 0.1°C / 1°F2. Humidity measurement:- Measurement range: 0%RH - 100%RH- Accuracy: ±5%RH (within the 20-80%RH range); ±8%RH for other ranges- Resolution: 0.1%RH3. Display: four-digit monochrome display, maximum display value 19994. Sensor: high-precision digital sensor5. Sampling rate: 1 time per second6. Functions: Celsius/Fahrenheit switch, data hold, maximum value measurement, minimum value measurement, backlight, low battery alert (below 2.6V)7. Auto-off: auto-shuts off after 15 minutes of inactivity (can be manually canceled)8. Operating environment: -10 to 50°C, max. 80% relative humidity, indoor altitude below 2000m9. Storage environment: -10 to 60°C, max. 80% relative humidity (recommended to remove batteries)10. Power supply: 2 x 1.5V AAA batteries (not included)11. Display size: about 30 x 30 mm12. Size: about 15.8 x 5.6 x 2.8 cm13. Weight: about 120 gFeatures:1. Features a dual-row digital display that simultaneously shows temperature (Celsius or Fahrenheit) and relative humidity (%RH)2. The probe tip is equipped with a grid-patterned protective cover and houses a high-precision digital sensor for rapid detection of ambient air3. Data hold function allows for easy recording of readings in low-light conditions or at difficult viewing angles.4. Backlit display, suitable for use in low-light environments5. Battery level icon in the upper right corner alerts you when it’s time to replace the batteryPackage list:1. Thermometer and hygrometer x 12. Pouch x 13. Instruction manual x 1Specification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 18cm * 8cm * 5cm / 7.09inch * 3.15inch * 1.97inch Qty per Carton 70 Carton Weight 13.60kgs / 29.98lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 70 pcs = 30660 pcs 40HQ: 1018 cartons * 70 pcs = 71260 pcs

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1. pH Measurement Range: 0.0~14.0pH2. Portable pH meter, high accuracy, stable operation. It measures the pH value of a solution and displays the temperature of the liquid being measured. Widely used in: industry, power, agriculture, medicine, food, scientific research, and environmental protection.3. When the pH value is below 3.5, the red backlight illuminates as an alarm, indicating that the liquid is approaching strong acidity; when the pH value is above 12.5, the red backlight illuminates as the liquid is approaching strong alkalinity.4. Automatic temperature compensation from 0 to 70 degrees Celsius; temperature has a certain impact on pH measurement, and the impact is even greater if high accuracy is required. Therefore, a high-precision pH meter with intelligent temperature compensation is essential.5. The instrument features a dual-color alarm and a night backlight, which can intuitively display the measured value. In measurement mode, if the measured value exceeds the range, the white light changes to a red over-value warning light, easily handling dark environments.6. This instrument features a three-point pH calibration function with automatic recognition and a simple, quick calibration process.7. A high-precision pH probe ensures faster and more accurate measurements, safeguarding precise water quality testing.8. Powered by two 1.5V AAA batteries, it is durable and easy to replace.9. The replaceable probe design with an insert-type mechanism makes replacement quick and easy.10. Ergonomically designed with anti-slip features on both sides for ease of use.11. Dimensions: 43x43x176mm12. Weight: 88gSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 20cm * 6cm * 6cm / 7.87inch * 2.36inch * 2.36inch Qty per Carton 60 Carton Weight 7.10kgs / 15.65lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 60 pcs = 31320 pcs 40HQ: 1212 cartons * 60 pcs = 72720 pcs

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1. DC voltage: 0.01 mV - 1000 V / +/-0.5% of reading +5 digits2. AC voltage: 0.01 mV - 750 V / +/-0.8% of reading +5 digits3. DC/AC current: 1 μA - 100 A / +/-1% of reading +5 digits4. Resistance: 0.1ohm - 100 Mohm / +/-0.8% of reading +5 digits5. Capacitance: 0.01 nF - 100 μF / +/-4% of reading +5 digits6. Frequency: 1 Hz - 10 MHz / +/-1% of reading +5 digits7. Duty cycle: 10% - 95% / +/-1.0% of reading +15 digits8. Temperature range: -20 to 1000 °C (0-1832 °F); this range applies only to the meter; actual measurement depends on the probe9. Maximum count: 4-digit display, maximum value 999910. Display: VA color screen11. Functions: analog bar graph, auto-range, neutral/hot wire measurement, NCV detection, diode test, continuity buzzer, max/min/average, relative value, data hold, true RMS, fuse blown alert, low battery indicator, flashlight12. Auto-off: 10 minutes (can be manually disabled)13. Power supply:- TA805A: 4 x 1.5V AAA batteries (not included)- TA805B: built-in 3.7V/1000mAh lithium battery, supports 5W Qi wireless charging14. Type K thermocouple: probe measurement range -20 to 200°C (accuracy +/-2.5%)15. Display size: about 73 x 51mm16. Size: about 15.3 x 7.1 x 2.7cm17. Weight: about 240gFeatures:1. After power-on, measures AC/DC voltage, resistance, and continuity; automatically detects and switches ranges2. VA true-color display with backlight3. NCV non-contact voltage detection: when the front of the meter is brought near a live circuit, it emits a continuous audible alarm4. Live/neutral wire identification: touch the live wire and neutral wire separately with the red probe; the live wire will trigger a red indicator light alarm, while the neutral wire will not5. Temperature measurement: place the temperature probe into the liquid being tested; the display shows both Celsius and Fahrenheit simultaneously6. Capacitance measurement: touch the red and black probes to the two terminals of the capacitor; read the value once it stabilizes7. Protective case: made of soft PVC material, effectively protects against dust, shocks, and dropsPackage list:1. Multimeter x 12. Test leads x 23. Thermocouples x 24. Carrying case x 15. User manual x 1Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 20cm * 12cm * 5cm / 7.87inch * 4.72inch * 1.97inch Qty per Carton 48 Carton Weight 15.40kgs / 33.95lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 48 pcs = 21024 pcs 40HQ: 1018 cartons * 48 pcs = 48864 pcs

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1. DC voltage: 0.01 mV - 1000 V / +/-0.5% of reading +5 digits2. AC voltage: 0.01 mV - 750 V / +/-0.8% of reading +5 digits3. DC/AC current: 1 μA - 100 A / +/-1% of reading +5 digits4. Resistance: 0.1ohm - 100 Mohm / +/-0.8% of reading +5 digits5. Capacitance: 0.01 nF - 100 μF / +/-4% of reading +5 digits6. Frequency: 1 Hz - 10 MHz / +/-1% of reading +5 digits7. Duty cycle: 10% - 95% / +/-1.0% of reading +15 digits8. Temperature range: -20 to 1000 °C (0-1832 °F); this range applies only to the meter; actual measurement depends on the probe9. Maximum count: 4-digit display, maximum value 999910. Display: VA color screen11. Functions: analog bar graph, auto-range, neutral/hot wire measurement, NCV detection, diode test, continuity buzzer, max/min/average, relative value, data hold, true RMS, fuse blown alert, low battery indicator, flashlight12. Auto-off: 10 minutes (can be manually disabled)13. Power supply:- TA805A: 4 x 1.5V AAA batteries (not included)- TA805B: built-in 3.7V/1000mAh lithium battery, supports 5W Qi wireless charging14. Type K thermocouple: probe measurement range -20 to 200°C (accuracy +/-2.5%)15. Display size: about 73 x 51mm16. Size: about 15.3 x 7.1 x 2.7cm17. Weight: about 240gFeatures:1. After power-on, measures AC/DC voltage, resistance, and continuity; automatically detects and switches ranges2. VA true-color display with backlight3. NCV non-contact voltage detection: when the front of the meter is brought near a live circuit, it emits a continuous audible alarm4. Live/neutral wire identification: touch the live wire and neutral wire separately with the red probe; the live wire will trigger a red indicator light alarm, while the neutral wire will not5. Temperature measurement: place the temperature probe into the liquid being tested; the display shows both Celsius and Fahrenheit simultaneously6. Capacitance measurement: touch the red and black probes to the two terminals of the capacitor; read the value once it stabilizes7. Protective case: made of soft PVC material, effectively protects against dust, shocks, and dropsPackage list:1. Multimeter x 12. Test leads x 23. Thermocouples x 24. Carrying case x 15. User manual x 1Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 20cm * 12cm * 5cm / 7.87inch * 4.72inch * 1.97inch Qty per Carton 48 Carton Weight 15.40kgs / 33.95lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 48 pcs = 21024 pcs 40HQ: 1018 cartons * 48 pcs = 48864 pcs

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1. Measurement method: supports auto-range/manual range2. AC voltage: 0.8 V - 600 V / +/-1.2% + 53. DC voltage (DCV): 0.8 V - 600 V / +/-1.0% + 54. Resistance: 1 ohm - 60 Mohm / +/-1.2% + 55. Frequency: 40 Hz - 10 MHz / +/-0.1% + 56. Capacitance (TA807B only): 1 nF – 60,000 μF / ±3.5% + 107. Display: four-digit color display, maximum display value 6,0008. Sampling rate: 3 times per second9. Overrange indication: OL displayed in the most significant digit10. Supported functions: NCV detection, continuity test, diode measurement (TA807B only), data hold, flashlight illumination, low voltage alert (below 2.4V), color display11. Auto-off: automatically turns off after 15 minutes of inactivity (can be manually canceled)12. Operating environment: -10 to 50°C, maximum 80% relative humidity, indoor altitude below 2000m13. Storage environment: -10 to 50°C, maximum 70% relative humidity (batteries should be removed)14. Power supply: 2 x 1.5V AAA batteries (not included)15. Display size: about 45 x 52 mm16. S: about 13 x 6.6 x 1.9 cm17. Weight: about 175 gFeatures:1. After powering on, it can measure AC/DC voltage, resistance, and continuity, with automatic range selection2. DC voltage measurement: touch the red and black probes to the positive and negative terminals of the battery, respectively; the screen automatically displays the DC voltage value3. Resistance measurement: touch the red and black probes to both ends of the resistor, respectively; the screen automatically displays the resistance value4. Continuity test: touch the test probes to both ends of the circuit under test; an audible alert sounds if the circuit is continuous, and there is no response if it is open5. NCV non-contact voltage detection6. Display with built-in color backlightPackage list:1. Multimeter x 12. Test probes x 23. User manual x 1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 70 Carton Weight 15.60kgs / 34.39lb Carton Size 40cm * 38cm * 32cm / 15.75inch * 14.96inch * 12.6inch Loading Container 20GP: 548 cartons * 70 pcs = 38360 pcs 40HQ: 1272 cartons * 70 pcs = 89040 pcs

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1. 20-bit high-precision ADC chip, with high measurement accuracy2. Seven-digit resolution, high measurement accuracy, and reliable multi-parameter synchronous monitoring capability3. Full fast charging protocol detection, supporting PD3.1 EPR as well as UFCS and VFCP integrated fast charging protocols, meeting the requirements for mainstream fast charging protocol detection4. Bidirectional charging, charging and discharging freely. Supports synchronous operation of bidirectional current input and output, and precise control of bidirectional energy consumption5. E-Marker test, reads the cable specification data stored in the E-Marker chip, detects the USB protocol version and transmission rate supported by the cable, ensuring fast charging efficiency, safety and compatibility6. Full compatibility of multiple protocols, no waiting for triggering. The USB tester covers mainstream protocols such as PD/QC, and triggers the device as soon as it is connected7. Supports 10 sets of capacity statistics, automatically calculates the capacity of mobile phones, tablets and power banks, detects false labeling and determines aging8. Real-time insight into high and low frequency ripple fluctuations, troubleshoot power supply hazards and optimize power supply schemes, extending device lifespan9. PC upper computer function, making power supply data more user-friendly and analysis more accurate10. 360° gravity sensing, equipped with a 1.54-inch high-definition LCD screen, data is clearerSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 11cm * 9cm * 4cm / 4.33inch * 3.54inch * 1.57inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 48cm * 41cm * 22cm / 18.9inch * 16.14inch * 8.66inch Loading Container 20GP: 615 cartons * 200 pcs = 123000 pcs 40HQ: 1429 cartons * 200 pcs = 285800 pcs

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1. High-performance chips with a sampling time of 0.5 seconds, featuring powerful data processing capabilities, excellent anti-interference performance, precise and rapid operation, and low power consumption2. High-precision bearings that minimize mechanical wear, ensuring long-term stability of wind speed readings3. High-definition backlit display screen, LCD backlit display unaffected by external environmental changes, clearly visible in both bright and dim environments4. Six measurement unit options, capable of sensing and measuring even the slightest wind force5. Wide-range measurement, capable of precisely measuring extreme wind speeds, ensuring the accuracy of safety monitoring and scientific research analysis6. Soft rubber buttons with a comfortable and ergonomic design, facilitating operation7. Eight-leaf design enhances the response capability of the wind wheel to wind speed changes, thereby improving measurement accuracy8. Compact and lightweight, easy to hold in one hand or easily placed in a pocket, allowing for measurement at any time and place9. Solid shell design, durable and impact-resistant10. Wide range of applications, suitable for power, steel, petrochemical, aviation, wind turbine manufacturing, ventilation systems in ducts, and underground warehousesParameters1. Automatic shutdown: 10 minutes2. Data saving: lock display to show readings3. Maximum/minimum value: record and view the minimum/maximum value4. Environmental humidity: 0% to 100%5. Environmental temperature: -20°C to 60°C (-4°F to 140°F)6. Sensor: 8-blade impeller + high-precision bearing7. Display: liquid crystal display, maximum display value is 99998. Sampling time: about 0.5 seconds per reading9. Power supply method: 2 x AAA 1.5V batteries (not included)10. Size: about 6.5 x 13.3 x 2.7 cm11. Weight: about 86.5gSpecification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 20cm * 10cm * 6cm / 7.87inch * 3.94inch * 2.36inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 54cm * 46cm * 41cm / 21.26inch * 18.11inch * 16.14inch Loading Container 20GP: 261 cartons * 100 pcs = 26100 pcs 40HQ: 607 cartons * 100 pcs = 60700 pcs

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1. 6-in-1 Comprehensive Monitoring: Real-time detection of 6 key metrics: CO2, HCHO, TVOC, AQI, temperature, and humidity. All data is displayed on one screen for a full assessment of indoor air quality.2. High-Precision Detection Technology: Equipped with a high-performance processor, intelligent optimization algorithm, and high-sensitivity sensors. The multi-vent design on the body ensures fast pollutant identification, quick data response, and minimal error for reliable results.3. HD LCD Color Display: Features a 2.8-inch color LCD screen with real-time data updates and color-coded indicators, allowing you to quickly understand indoor air quality levels at a glance.4. Flexible Power & Versatile Placement: Powered via USB interface, it supports three placement methods: standing on a table, hanging on a wall, or carrying around. Suitable for offices, baby rooms, greenhouses, cars, and more scenarios.5. User-Friendly Design: The device comes with easy-to-use function buttons for simple operation. The multi-vent design enhances air circulation and detection accuracy, meeting long-term monitoring needs for home and office environments.Specifications1. Material: Plastic2. Dimensions: 8 x 10 x 3.5 cm3. Net Weight: 130 g4. Battery: 1500 mAh5. Charging Voltage: 5V6. Continuous Working Time: 12 hoursPackage Contents:1 x Air Quality Monitor1 x User Manual1 x Data Cable1 x Packaging BoxSpecification: General Certificate MSDS , ROHS , FCC , UL , EMC Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 14cm * 12cm * 5cm / 5.51inch * 4.72inch * 1.97inch Qty per Carton 60 Carton Weight 13.60kgs / 29.98lb Carton Size 58cm * 42cm * 24cm / 22.83inch * 16.54inch * 9.45inch Loading Container 20GP: 456 cartons * 60 pcs = 27360 pcs 40HQ: 1058 cartons * 60 pcs = 63480 pcs

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