Bestselling Products

1. Designed specifically for 20S 72V ternary lithium batteries (Li-ion / NiCoMn), suitable for high-power electric motorcycles, heavy-duty electric tricycles, four-wheeled low-speed electric vehicles, RV auxiliary batteries, and medium to large-sized home energy storage systems.2. Supports continuous discharge current up to 50A and continuous charging current up to 25A.3. Adopts a common interface design, sharing the same interface for charging and discharging. The PCB uses 2OZ thickened copper foil, resulting in stronger overcurrent capacity and lower internal resistance.4. Equipped with a disconnection protection mechanism. When any cell in the battery pack fails, or any voltage acquisition cable is accidentally disconnected, the BMS protection board will immediately trigger and cut off the circuit, entering a safety protection state to eliminate potential safety hazards from the source.5. Built-in mature and stable integrated circuit (IC) control scheme, supporting battery balancing function and automatically correcting individual cell voltage.6. Provides high-precision overcharge and over-discharge protection, significantly extending the lifespan of high-voltage battery packs.7. Surface covered with a large area of ??blue anodized aluminum heat sink, with extremely high heat conduction efficiency, maintaining ideal operating temperature even under high-load continuous discharge.8. Includes a matching 20S color-coded voltage acquisition cable; the socket structure is compact and shockproof, preventing it from falling off.Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 21cm * 11cm * 6cm / 8.27inch * 4.33inch * 2.36inch Qty per Carton 30 Carton Weight 5.90kgs / 13.01lb Carton Size 44cm * 35cm * 32cm / 17.32inch * 13.78inch * 12.6inch Loading Container 20GP: 541 cartons * 30 pcs = 16230 pcs 40HQ: 1256 cartons * 30 pcs = 37680 pcs

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1. Matches 8S 24V LiFePO4 (LiFePO4) battery packs, providing professional management and protection solutions for home solar energy storage systems, inverters, golf carts, AGVs, and DIY battery packs.2. Supports continuous discharge current up to 50A and continuous charging current up to 20A.3. Employs a single-port design, sharing the same main circuit interface for charging and discharging, simplifying complex wiring processes and improving assembly efficiency.4. Intelligently detects individual cell faults or detached acquisition cables, instantly cutting off the circuit and entering protection mode.5. Provides individual cell overcharge and over-discharge protection, with built-in high-precision integrated circuits for multiple layers of protection for added peace of mind.6. Uses thickened integrated all-aluminum alloy heat sinks, effectively widening the heat dissipation channel and reducing heat buildup under high current operation.7. The matching acquisition socket ensures a secure plug-in/plug-out connection; a high-strength, color-coded matching voltage acquisition cable is included to reduce wiring error rates.8. When any battery in the battery pack fails or a cable becomes detached, the BMS immediately enters protection mode.Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 9cm * 7cm * 2cm / 3.54inch * 2.76inch * 0.79inch Qty per Carton 400 Carton Weight 23.90kgs / 52.69lb Carton Size 47cm * 37cm * 34cm / 18.5inch * 14.57inch * 13.39inch Loading Container 20GP: 451 cartons * 400 pcs = 180400 pcs 40HQ: 1046 cartons * 400 pcs = 418400 pcs

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1. Discharge current: 50A2. Charging current: 15A3. Main circuit on-conduction resistance: 20 milliohms4. Discharge overcurrent protection: 100A5. Meets the battery management requirements of most electric bicycles, electric tricycles, and home energy storage systems6. Uses a common interface design for charging and discharging, simplifying wiring7. Built-in precision integrated circuit (IC) protection scheme, supporting efficient battery balancing to ensure consistent cell voltage8. Equipped with an anodized aluminum alloy heat sink, increasing heat dissipation area, effectively reducing operating temperature, and ensuring the stability and safety of the protection board under high load operation9. Product dimensions: 86.5x55x10mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 7cm * 2cm / 3.94inch * 2.76inch * 0.79inch Qty per Carton 320 Carton Weight 33.10kgs / 72.97lb Carton Size 42cm * 37cm * 34cm / 16.54inch * 14.57inch * 13.39inch Loading Container 20GP: 504 cartons * 320 pcs = 161280 pcs 40HQ: 1171 cartons * 320 pcs = 374720 pcs

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1. Specifically designed for 16S 48V (standard voltage 51.2V) lithium iron phosphate (LiFePO4) battery packs. Widely used in home photovoltaic energy storage systems, communication base station backup power, low-speed electric four-wheelers, and DIY power battery packs.2. Built-in high-precision balancing chip, supporting automatic balancing, charging balancing, and static balancing modes. It intelligently detects and transfers the voltage difference between individual cells, effectively eliminating the "weakest link" effect in the battery pack and significantly extending the overall lifespan of the cells.3. The main circuit core uses a low-resistance, high-power MOSFET, featuring ultra-low heat generation and high conductivity, supporting a continuous discharge current of 30A and a charging current of 15A, maintaining smooth and efficient operation even under high load.4. Adopts an open dual-layer heat dissipation architecture, combined with a large-area anodized blue aluminum heat sink, ensuring smoother airflow and significantly improved heat conduction efficiency, guaranteeing that components always operate within a safe temperature range.5. The data acquisition cable socket adopts a sturdy snap-on design, effectively preventing shock and detachment. Different string counts correspond to dedicated ribbon cables.6. Standard configuration includes high-quality high-temperature resistant ribbon cables (thickened pure copper core), offering excellent conductivity, safer installation, and greater durability.Specification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 19cm * 11cm * 5cm / 7.48inch * 4.33inch * 1.97inch Qty per Carton 36 Carton Weight 4.40kgs / 9.70lb Carton Size 40cm * 35cm * 32cm / 15.75inch * 13.78inch * 12.6inch Loading Container 20GP: 595 cartons * 36 pcs = 21420 pcs 40HQ: 1381 cartons * 36 pcs = 49716 pcs

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1. The product is an 80 × 40 resolution full-color RGB LED dot matrix module, integrating 3200 LEDs and equipped with dual HUB75 headers, supporting cascade expansion and rapid integration.2. 3200 individual RGB LEDs, full-color display, adjustable brightness3. 80 × 40 pixels, 4mm pitch, allows displaying text, colorful image, or animation4. 320 × 160 (mm) dimensions, moderate size, suitable for DIY desktop display or wall mount display5. Onboard dual HUB75 headers, one for controller data input, one for output, chain support6. Provides open source development resources (examples for ESP32 / Raspberry Pi / Arduino / STM32)Specifications:1. Product dimensions: 320 × 160 mm2. Resolution: 80 × 40 / 3200 dots3. Pixel pitch: 4 mm4. Pixel configuration: 1R1G1B5. Viewing angle: Greater than or equal to 140-degree6. Control method: Synchronous control7. Driving method: 1/20 scan8. Interface type: HUB759. Power supply voltage: 5V / 4A (VH4 connector input)10. Power consumption: Less than or equal to 20WSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 34cm * 18cm * 4cm / 13.39inch * 7.09inch * 1.57inch Qty per Carton 30 Carton Weight 11.90kgs / 26.23lb Carton Size 36cm * 38cm * 47cm / 14.17inch * 14.96inch * 18.5inch Loading Container 20GP: 414 cartons * 30 pcs = 12420 pcs 40HQ: 962 cartons * 30 pcs = 28860 pcs

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1. Powered by the RP2350 microcontroller chip developed by Raspberry Pi2. Features a unique dual-core, dual-architecture design, equipped with dual-core ARM Cortex-M33 processors and dual-core Hazard3 RISC-V processors; operates at clock speeds up to 150MHz and allows flexible switching between the two architectures3. Built-in 520KB SRAM and 16MB on-chip Flash4. Uses a USB Type-C interface for modern convenience—no need to worry about connector orientation5. Onboard 0.85-inch LCD screen with 128 × 128 resolution and 65K colors6. Supports USB 1.1 Host and Device modes7. Supports low-power sleep and dormant modes8. Recognized as a mass storage device via USB for drag-and-drop programming9. Includes 1x I2C, 1x UART, 2x 12-bit ADCs, and 2x controllable PWM channels10. Precise on-chip clock and timers11. Built-in temperature sensor for real-time chip temperature monitoring12. 12 Programmable I/O (PIO) state machines for custom peripheral supportLCD Screen Specifications:1. Operating voltage: 3.3V/5V2. Display size: 15.21 × 15.21 mm3. Resolution: 128 × 128 pixels4. Colors: 65K5. Panel type: IPS6. Pixel pitch: 39.6 × 118.8 μm7. Interface: 4-wire SPI8. Driver IC: ST7735Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 8cm * 8cm * 6cm / 3.15inch * 3.15inch * 2.36inch Qty per Carton 144 Carton Weight 9.00kgs / 19.84lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 144 pcs = 59328 pcs 40HQ: 958 cartons * 144 pcs = 137952 pcs

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1. No backlight, keeps displaying last content for a long time even when power down2. Ultra low power consumption, basically power is only required for refreshing3. Comes with online development resources and manual (driver board schematic diagram and examples for Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.)Optional for e-Paper driver board:1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi and Jetson Nano series boards2. Adopts Raspberry Pi HAT+ standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi3. Adapting SPI interface for connecting with controller boards like Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.4. Onboard voltage translator, compatible with 3.3V / 5V MCUsSpecifications:1. Operating voltage: Raw display: 3.3V3.3V；with driver board: 3.3V / 5V2. Display colors: Red, yellow, black, white3. Communication interface: 3-wire SPI, 4-wire SPI4. Grayscale levels: 25. Dimensions: Raw display: 105.33 × 62.37 × 0.91 mm; with driver board: 107.00 × 64.00 mm6. Full refresh time: 20s7. Display area: 92.80 × 55.68 mm8. Refresh power consumption: Less than 90mW9. Dot pitch: 0.116 × 0.116 mm10. Sleep current: Less than 0.01μA (near zero)11. Resolution: 800 × 480 pixels12. Viewing angle: Greater than 170-Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 14cm * 10cm * 3cm / 5.51inch * 3.94inch * 1.18inch Qty per Carton 128 Carton Weight 11.30kgs / 24.91lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 128 pcs = 59008 pcs 40HQ: 1071 cartons * 128 pcs = 137088 pcs

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1. The PCIe to M.2 E-Key HAT+ (D) is a powerful expansion board designed for use with the Raspberry Pi.2. It connects to the Raspberry Pi 5 via a 16-pin ribbon cable.3. It features an onboard M.2 E-Key slot, compatible with various NGFF (M.2 E-Key) wireless network cards.4. It supports USB Bluetooth connectivity, offering users expanded functionality.5. Do not connect or disconnect any device interfaces—except for the 2-pin USB port—while the power is on.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 128 Carton Weight 16.50kgs / 36.38lb Carton Size 42cm * 34cm * 34cm / 16.54inch * 13.39inch * 13.39inch Loading Container 20GP: 549 cartons * 128 pcs = 70272 pcs 40HQ: 1275 cartons * 128 pcs = 163200 pcs

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1. This is a 1.54inch IPS touch color display module featuring 240×240 high resolution, supporting 262K true color display. It delivers clear and delicate visuals with excellent performance. Equipped with a high-transmittance capacitive touch panel, it offers responsive touch sensing and long service life. The module integrates the ST7789S display driver IC and the CST816D capacitive touch IC, communicating via SPI and I2C interfaces respectively, which minimizes pin usage and simplifies hardware integration. An onboard level shifter ensures compatibility with both 3.3V and 5V power inputs, allowing seamless connection to mainstream controller platforms such as Raspberry Pi, ESP32, Pico, Arduino, and STM32.2. Operating voltage: 3.3V / 5V3. Resolution: 240 × 240 pixels4. Display driver: ST7789S5. Touch controller: CST816D6. Display interface: 4-wire SPI7. Touch interface: I2C8. Display panel: IPS9. Touch type: Capacitive10. Display size: 27.72 × 27.72 mm11. Pixel size: 0.1155 × 0.1155 mm12. Product dimensions: 40.2 × 40.2 mmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 7.10kgs / 15.65lb Carton Size 34cm * 42cm * 32cm / 13.39inch * 16.54inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs 40HQ: 1354 cartons * 120 pcs = 162480 pcs

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1. The ESP32-S3-ePaper-1.54 is an e-Paper AIoT development board, equipped with ESP32-S3 microcontroller, which supports Wi-Fi and BLE dual-mode communication. Onboard 1.54inch e-paper display, features ultra-low power consumption and ambient light readability, suitable for portable devices and long-Batt-life scenarios. Integrated with an RTC chip, SHTC3 temperature and humidity sensor, TF card slot, low-power audio codec chip circuit, and Lithium Batt recharge management circuit. Reserved interfaces including USB, UART, I2C, and GPIO for easy functionality expansion and sensor connectivity, providing a flexible and reliable development platform for IoT terminals, electronic tags, portable displays, and other applications.2. Adopts high-performance Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency3. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna4. Built-in 512KB Static RAM, 384KB ROM, with integrated 8MB Flash and 8MB PSRAM5. Onboard 1.54inch e-paper display, 200 × 200 resolution, features high contrast and wide viewing angle6. Onboard audio codec chip, supports voice capture and playback, enabling AI voice interaction applications7. Onboard PCF85063 RTC chip and SHTC3 temperature & humidity sensor for accurate RTC management and environmental monitoring8. Onboard TF card slot for external storage of images or files9. Onboard programmable PWR and BOOT side buttons for customized function development10. Reserved 2 × 6 2.54mm pitch pin header for convenient external expansion11. Equipped with the FT6336 capacitive touch IC, enabling touch data transmission via the I2C communication interface, effectively reducing GPIO resource consumption and improving system resource utilization and expansion flexibility.Product Specifications:1. Display Panel: E-Ink2. Display Size: 1.54 inches3. Resolution: 200 × 2004. Grayscale Levels: 25. Communication Interface: SPI6. Full Refresh Time: 2s7. Display Colors: Black, White8. Partial Refresh Time: 0.3s9. Touch IC: FT633610. Display Mode: ReflectiveSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 160 Carton Weight 10.60kgs / 23.37lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 160 pcs = 70080 pcs 40HQ: 1018 cartons * 160 pcs = 162880 pcs

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1. The ESP32-C6-ePaper-1.54 is an e-Paper AIoT development board, equipped with ESP32-C6 microcontroller, which supports Wi-Fi and BLE dual-mode communication. Onboard 1.54inch e-paper display, features ultra-low power consumption and ambient light readability, suitable for portable devices and long-Batt-life scenarios. Integrated with an RTC chip, SHTC3 temperature and humidity sensor, TF card slot, low-power audio codec chip circuit, and Lithium Batt recharge management circuit. Reserved interfaces including USB, UART, I2C, and GPIO for easy functionality expansion and sensor connectivity, providing a flexible and reliable development platform for IoT terminals, electronic tags, portable displays, and other applications.2. Equipped with high-performance ESP32-C6 32-bit RISC-V processor, up to 160MHz main frequency3. Supports Wi-Fi 6, Bluetooth 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, with superior RF performance4. Built-in 512KB HP Static RAM, 16KB LP Static RAM, 320KB ROM, and external 16MB Flash memory5. Onboard 1.54inch e-paper display, 200 × 200 resolution, features high contrast and wide viewing angle6. Onboard audio codec chip, supports voice capture and playback, enabling AI voice interaction applications7. Onboard PCF85063 RTC chip and SHTC3 temperature & humidity sensor for accurate RTC management and environmental monitoring8. Onboard TF card slot for external storage of images or files9. Onboard programmable PWR and BOOT side buttons for customized function development10. Reserved 2 × 6 2.54mm pitch pin header for convenient external expansionSpecifications:1. Display Panel: E-Ink display2. Display Size: 1.54 inches3. Resolution: 200 × 2004. Grayscale Levels: 25. Communication Interface: SPI6. Full Refresh Time: 2s7. Display Colors: Black, White8. Partial Refresh Time: 0.3s9. Viewing Angle: Greater than 170-degree10. Display Mode: ReflectiveSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 7cm * 7cm * 5cm / 2.76inch * 2.76inch * 1.97inch Qty per Carton 180 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 30cm / 18.5inch * 14.57inch * 11.81inch Loading Container 20GP: 511 cartons * 180 pcs = 91980 pcs 40HQ: 1186 cartons * 180 pcs = 213480 pcs

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1. 4-inch/4.3-inch DSI touchscreen with 5-point capacitive touch control2. IPS display panel with a hardware resolution of 480×8003. Full lamination process for clearer image quality4. Toughened glass touch panel with 6H hardness5. DSI interface for LCD driving; refresh rate up to 60Hz6. Supports software-controlled backlight brightness7. Aluminum alloy back casing with a purely passive cooling design8. Default display orientation is portrait; landscape mode can be enabled via software settingsScreen Specifications:1. Resolution: 480 × 800 pixels (H × V)2. Contrast Ratio: 4-inch: 800:1; 4.3-inch: 1000:13. Display Driver IC: ST7701S4. Touch Controller IC: GT9115. Communication Interface: MIPI 2-lane6. Brightness: 4-inch: 350 cd/m2; 4.3-inch: 500 cd/m27. Outline Dimensions: 4-inch: 108.30 × 65.10 mm; 4.3-inch: 116.50 × 68.90 mm8. Display Area: 4-inch: 86.40 × 51.84 mm; 4.3-inch: 93.60 × 56.16 mmSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 12cm * 10cm * 3cm / 4.72inch * 3.94inch * 1.18inch Qty per Carton 120 Carton Weight 15.50kgs / 34.17lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 120 pcs = 62400 pcs 40HQ: 1209 cartons * 120 pcs = 145080 pcs

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1. 4-inch/4.3-inch DSI touchscreen with 5-point capacitive touch control2. IPS display panel with a hardware resolution of 480×8003. Full lamination process for clearer image quality4. Toughened glass touch panel with 6H hardness5. DSI interface for LCD driving; refresh rate up to 60Hz6. Supports software-controlled backlight brightness7. Aluminum alloy back casing with a purely passive cooling design8. Default display orientation is portrait; landscape mode can be enabled via software settingsScreen Specifications:1. Resolution: 480 × 800 pixels (H × V)2. Contrast Ratio: 4-inch: 800:1; 4.3-inch: 1000:13. Display Driver IC: ST7701S4. Touch Controller IC: GT9115. Communication Interface: MIPI 2-lane6. Brightness: 4-inch: 350 cd/m2; 4.3-inch: 500 cd/m27. Outline Dimensions: 4-inch: 108.30 × 65.10 mm; 4.3-inch: 116.50 × 68.90 mm8. Display Area: 4-inch: 86.40 × 51.84 mm; 4.3-inch: 93.60 × 56.16 mmSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 12cm * 10cm * 3cm / 4.72inch * 3.94inch * 1.18inch Qty per Carton 120 Carton Weight 15.50kgs / 34.17lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 120 pcs = 62400 pcs 40HQ: 1209 cartons * 120 pcs = 145080 pcs

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1. No backlight, keeps displaying last content for a long time even when power down2. Ultra low power consumption, basically power is only required for refreshing3. Comes with online development resources and manual (driver board schematic diagram and examples for Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.)Optional for e-Paper driver board:1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi and Jetson Nano series boards2. Adopts Raspberry Pi HAT+ standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi3. Adapting SPI interface for connecting with controller boards like Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.4. Onboard voltage translator, compatible with 3.3V / 5V MCUsSpecifications:1. Operating voltage: Raw display: 3.3V3.3V；with driver board: 3.3V / 5V2. Display colors: Red, yellow, black, white3. Communication interface: 3-wire SPI, 4-wire SPI4. Grayscale levels: 25. Dimensions: Raw display: 105.33 × 62.37 × 0.91 mm; with driver board: 107.00 × 64.00 mm6. Full refresh time: 20s7. Display area: 92.80 × 55.68 mm8. Refresh power consumption: Less than 90mW9. Dot pitch: 0.116 × 0.116 mm10. Sleep current: Less than 0.01μA (near zero)11. Resolution: 800 × 480 pixels12. Viewing angle: Greater than 170-Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 14cm * 10cm * 3cm / 5.51inch * 3.94inch * 1.18inch Qty per Carton 128 Carton Weight 11.30kgs / 24.91lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 128 pcs = 59008 pcs 40HQ: 1071 cartons * 128 pcs = 137088 pcs

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Features1. On-board SWD interface, and it can be programmed with ST-LINK V2.2. On-board test indicator LED, and the beginners can program to control it.3. On-board 100ma 3.3V Regulator.4. All GPIO are led out and the names of the pins are marked。5. Microcontroller: STM32F103C8T6.6. Burning times: 10k cycles7. Operating voltage: 3.3 V.8. IO logic voltage: 3.3V9. Digital I/O Pins: 37.10. Analog Input Pins: 10 (12bits).11. Flash Memory: 64KB.12. RAM: 20KB.13. Programmable Clock Speed: 72 MHz (MAX).Specification 1. Model: DTR-WG01582. Quantity: 1 set3. Color: Blue + Yellow4. Material: PCB + Alloy + Plastic5. Chipset: STM32F103C8T66. Dimensions (5.5 cm x 2.2 cm x 1.2 cm), weight (7.5g)7. Packing List: - 1 x STM32F103C8T6 development board- 2 x 1X20P pin headers (2.54mm pitch)Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 9cm * 3cm * 1cm / 3.54inch * 1.18inch * 0.39inch Qty per Carton 3120 Carton Weight 15.00kgs / 33.07lb Carton Size 54cm * 39cm * 40cm / 21.26inch * 15.35inch * 15.75inch Loading Container 20GP: 316 cartons * 3120 pcs = 985920 pcs 40HQ: 734 cartons * 3120 pcs = 2290080 pcs

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1. NRF24L01P + PA + LNA Division for the ultra-long-distance data transmission, specially developed high-power and high sensitivity wireless module 2.4G ISM band NRF24L01P + PA + LNA wireless module to work in the license-free that can be point-to-point applications or be composed of a star network.2. Digital transmission chip NRF24L01+ with the Division of Professional Design professional full two-way RF power amplifier high power PA and LNA chip, RF switches and band pass filters, makes effective communication distance greatly expand.3. RF part, it has been done a lot of optimization matching debugging. The emission efficiency to achieve the highest harmonic minimum and make NRF24L01P + PA + LNA wireless module of RF interference to the external equipment reaches minimum, while not susceptible to interference from other devices.4. NRF24L01P + PA + LNA wireless module integration is extremely high, the size is 41mm x 15.5mm to make conveniently embedded.5. Working Voltage: 3.0~3.6V, (recommended 3.3V); 6. Maximum power: 20dBm; 7. Transmit mode operating current (peak): 115mA; 8. Operating current receive mode (peak): 45mA; 9. Power-down mode current: 4.2uA10. Package List - 1 x Wireless module- 1 x AntennaSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 6cm * 3cm * 1cm / 2.36inch * 1.18inch * 0.39inch Qty per Carton 5200 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 5200 pcs = 1476800 pcs 40HQ: 661 cartons * 5200 pcs = 3437200 pcs

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1. Type: MCU2. Number of pins: 03. Use: Instrument4. Application area: 3C digital5. Input voltage: 5V6. Charge cut-off voltage: 4.2V ±1%7. Maximum charging current: 1000mA8. Battery over-discharge protection voltage: 2.5V9. Battery overcurrent protection current: 3A10. Board size: 2.6*1.7CMSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 10cm * 5cm * 5cm / 3.94inch * 1.97inch * 1.97inch Qty per Carton 510 Carton Weight 12.00kgs / 26.46lb Carton Size 30cm * 50cm * 40cm / 11.81inch * 19.69inch * 15.75inch Loading Container 20GP: 444 cartons * 510 pcs = 226440 pcs 40HQ: 1031 cartons * 510 pcs = 525810 pcs

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16gSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 13cm * 9cm * 6cm / 5.12inch * 3.54inch * 2.36inch Qty per Carton 50 Carton Weight 21.00kgs / 46.30lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 50 pcs = 31650 pcs 40HQ: 1470 cartons * 50 pcs = 73500 pcs

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1. Temperature measurement range: -20 to 80 degrees Celsius2. Humidity range: 0-100%RH3. Temperature error: 0.1Lux4. Temperature and humidity test: +-0.5 degrees Celsius5. Humidity error: +-3%RH6. Power supply: 3xAAA alkaline batteries (not included in this product)7. Suitable for laboratories, quality control, air conditioning systems and printing engineering, etc.Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 18cm * 7cm * 4cm / 7.09inch * 2.76inch * 1.57inch Qty per Carton 150 Carton Weight 25.00kgs / 55.12lb Carton Size 56cm * 42cm * 37cm / 22.05inch * 16.54inch * 14.57inch Loading Container 20GP: 306 cartons * 150 pcs = 45900 pcs 40HQ: 711 cartons * 150 pcs = 106650 pcs

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1. Measuring range: 0-1300μm/1.3mm2. Resolution: (0.1μm (<100μm, 1μm (≥100μm))/0.1mil/0.001mm3. Measurement error: less than or equal to 150μm, +-5μm, greater than 150μm, +-3%H+1μm4. Power supply: DC 3.7V/1000mAh rechargeable battery5. Provide zero point calibration, offset calibration and basic calibration for fast and effective measurement6. Measuring the thickness of ferrous and non-ferrous metal coatingsSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 14cm * 11cm * 5cm / 5.51inch * 4.33inch * 1.97inch Qty per Carton 90 Carton Weight 28.00kgs / 61.73lb Carton Size 57cm * 44cm * 32cm / 22.44inch * 17.32inch * 12.6inch Loading Container 20GP: 332 cartons * 90 pcs = 29880 pcs 40HQ: 771 cartons * 90 pcs = 69390 pcs

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1. Measuring range: 0.1-200000Lux2. Accuracy: about 10,000Lux3. Resolution: 0.1Lux4. Temperature and humidity test: -+0.1% degrees Celsius5. Sampling time: 0.5 seconds6. Power supply: 3xAAA alkaline batteries (not included in this product)7. Application: Factories, schools, offices, transportation routes, houses, etc., used to measure light intensity in various occasionsSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 19cm * 7cm * 4cm / 7.48inch * 2.76inch * 1.57inch Qty per Carton 140 Carton Weight 22.00kgs / 48.50lb Carton Size 51cm * 42cm * 40cm / 20.08inch * 16.54inch * 15.75inch Loading Container 20GP: 311 cartons * 140 pcs = 43540 pcs 40HQ: 722 cartons * 140 pcs = 101080 pcs

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1. Resolution size ratio: 0.1RPM (2.5-999.9RPM)2. Measuring distance: 50-500 mm3. Sampling rate: 1 time/second4. Test distance: 50-500mm5. Time base: quartz crystal6. Power supply: 3xAAA alkaline batteries (not included in this product)7. Automatic shutdown: 61 seconds8. Paul’s last measured value, low battery reminder9. Good quality and long service lifeSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 19cm * 7cm * 4cm / 7.48inch * 2.76inch * 1.57inch Qty per Carton 140 Carton Weight 24.80kgs / 54.67lb Carton Size 51cm * 42cm * 40cm / 20.08inch * 16.54inch * 15.75inch Loading Container 20GP: 311 cartons * 140 pcs = 43540 pcs 40HQ: 722 cartons * 140 pcs = 101080 pcs

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1. Measuring range: 0%-55%2. Resolution: 2%3. Working humidity: 20%RH-90%RH4. Power supply: 3xAAA alkaline batteries5. Probe length: 9.8mm6. Automatic shutdown time: about 10 minutes7. Detachable probe/reading lock can quickly and accurately measure data8. Can measure karst stone, cement mortar, lime mortar, bricks, etc.Specification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 7cm * 4cm / 5.91inch * 2.76inch * 1.57inch Qty per Carton 210 Carton Weight 32.50kgs / 71.65lb Carton Size 51cm * 47cm * 42cm / 20.08inch * 18.5inch * 16.54inch Loading Container 20GP: 264 cartons * 210 pcs = 55440 pcs 40HQ: 614 cartons * 210 pcs = 128940 pcs

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1. Measuring range: 0-1300μm (0 to 51mils)2. Resolution: 0.1um/0.01mils3. Measurement mode: single/continuous4. Power supply: 1000mAh lithium battery5. Provide zero point calibration and basic calibration for fast and effective measurement6. Measuring the thickness of ferrous and non-ferrous metal coatings7. Support screen rotation and charging protectionSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 14cm * 11cm * 5cm / 5.51inch * 4.33inch * 1.97inch Qty per Carton 90 Carton Weight 28.00kgs / 61.73lb Carton Size 57cm * 44cm * 32cm / 22.44inch * 17.32inch * 12.6inch Loading Container 20GP: 332 cartons * 90 pcs = 29880 pcs 40HQ: 771 cartons * 90 pcs = 69390 pcs

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1. Measuring range: 30dB - 130dB2. Resolution: 0.1dB3. Accuracy: about 1.5dB (based on standard sound source, 94dB@1KHz)4. Sampling rate: 2 times / sec5. Time weighting: FAST 0.125s, SLOW 1s6. Frequency response: 31.5Hz - 8KHz7. Noise display: 4 digits, up to 19998. Microphone: high sensitivity 1/2 inch condenser microphone9. Auto shutdown: 15min (can be manually shut down)10. Operating environment: -10 - 50 degrees Celsius, 80% relative humidity, indoor altitude less than 2000m11. Storage environment: -10 - 50 degrees Celsius, within 70% relative humidity (remove the battery)12. Power supply: 2 x 1.5V AAA (R03/LR03) batteries (not included)13. Display size: about 3.4 x 3.1cm14. Dimensions: about 16.7 x 5.9 x 3.1cm15. Weight: about 114gFeatures:1. High-sensitivity 1/2-inch condenser microphone, high precision, high sensitivity, instantaneous response2. With low voltage display3. Large HD display with white backlighting4. 15 minutes without operation after the automatic shutdown (can be canceled manually)5. Large rangePacking list:- Main unit x 1- Cloth bag x 1- Instruction manual x 1Specification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 20cm * 8cm * 5cm / 7.87inch * 3.15inch * 1.97inch Qty per Carton 60 Carton Weight 12.00kgs / 26.46lb Carton Size 48cm * 43cm * 28cm / 18.9inch * 16.93inch * 11.02inch Loading Container 20GP: 461 cartons * 60 pcs = 27660 pcs 40HQ: 1071 cartons * 60 pcs = 64260 pcs

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1. DC voltage range: 0V-620V2. AC voltage range: 0V-620V3. VFC mode range: 10-620V4. Leakage voltage range: 12-300V5. Resistance range: 0.1-60MΩ6. Capacitance range: 1nF-60mF7. Frequency range: 1.0Hz-9.999MHz8. Duty cycle: 10.0%-95.0%9. Temperature: 0℃-50℃10. Maximum count: 199911. Other functions: auto-ranging, on/off testing, diode testing, auto power off, screen backlight12. Sampling rate: about 3 times/second13. Battery: built-in 3.7V 400mAh lithium battery14. Dimensions: 210x27x20mm15. Weight: 77gSpecification: Package Weight One Package Weight 0.28kgs / 0.63lb One Package Size 22.5cm * 8.5cm * 4.5cm / 8.86inch * 3.35inch * 1.77inch Qty per Carton 60 Carton Weight 15.90kgs / 35.05lb Carton Size 46cm * 45cm * 26cm / 18.11inch * 17.72inch * 10.24inch Loading Container 20GP: 495 cartons * 60 pcs = 29700 pcs 40HQ: 1150 cartons * 60 pcs = 69000 pcs

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1. Measuring range: -50 degrees Celsius to 800 degrees Celsius (-58 degrees Fahrenheit to 1472 degrees Fahrenheit)2. Distance ratio: 12:13. Emissivity: 0.95 preset4. This infrared thermometer is used to measure the temperature of the surface of an object, suitable for a variety of high-temperature, dangerous or difficult-to-reach objects, without contact5. This unit consists of optical components, temperature sensor signal amplifier, processing circuit and LCD display. The optical device collects the infrared energy emitted by the object and focuses it on the sensor. The sensor then converts the energy into an electrical signal. The signal is digitally displayed on the LCD display after the signal amplification processing circuit6. 1.5V AAAx2 batteries (not included)Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 21cm * 15cm * 6cm / 8.27inch * 5.91inch * 2.36inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 62cm * 44cm * 32cm / 24.41inch * 17.32inch * 12.6inch Loading Container 20GP: 305 cartons * 40 pcs = 12200 pcs 40HQ: 709 cartons * 40 pcs = 28360 pcs

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1. Power supply: 3.7V/1000mAh2. Operating temperature: 0 degrees Celsius to 45 degrees Celsius3. Air volume measurement range: 0-999900CMM4. Wind speed measurement range: 0-8800 feet/minute5. Operating humidity: 40-85%RH6. Storage humidity: 10%-90%7. The handle can be stretched for long-distance measurement, and the length can be stretched to 533mm8. Support five wind speed unit selections, manual/automatic shutdown9. Support data retention, LCD backlight displaySpecification: Package Weight One Package Weight 0.12kgs / 0.26lb One Package Size 33cm * 24cm * 9cm / 12.99inch * 9.45inch * 3.54inch Qty per Carton 20 Carton Weight 23.40kgs / 51.59lb Carton Size 68cm * 50cm * 47cm / 26.77inch * 19.69inch * 18.5inch Loading Container 20GP: 166 cartons * 20 pcs = 3320 pcs 40HQ: 387 cartons * 20 pcs = 7740 pcs

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1. DC voltage range: 0V-620V2. AC voltage range: 0V-620V3. DC current range: 1A-610mA4. AC current range: 1A-610mA5. Resistance range: 0-600MΩ6. Capacitance range: 1nF-60mF7. Frequency range: 1.0Hz-9.999MHz8. Duty cycle: 10.0%-95.0%9. Temperature: -20℃-400℃10. Diode test: Automatic recognition below 3V11. On/off test: If the measured resistance is less than 50Ω, the buzzer will sound12. Maximum count: 600013. Battery: built-in 3.7V 700mAh lithium battery14. Other functions: non-contact voltage detection, Infrared temperature test, screen backlight, automatic shutdown15. Industrial grade wear-resistant silicone protective sleeve, comfortable to touch and durable16. Accurate detection, easy operation.17. Material: ABS18. Size: 160x57x34mm19. Net weight: 129gSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 18.5cm * 10cm * 5cm / 7.28inch * 3.94inch * 1.97inch Qty per Carton 60 Carton Weight 14.50kgs / 31.97lb Carton Size 44cm * 33cm * 27cm / 17.32inch * 12.99inch * 10.63inch Loading Container 20GP: 680 cartons * 60 pcs = 40800 pcs 40HQ: 1579 cartons * 60 pcs = 94740 pcs

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1. HCHO detection range: 0.017-1.999mg/m32. HCHO response sensitivity: 0.20mg/m33. TVOC detection range: 0.096-9.999mg/m34. TVOC response sensitivity: 0.100mg/m35. Response time: 2 seconds6. Warm-up time: 200 seconds7. Sensor: air detection sensor8. Sampling rate: 1 second9. Alarm mode: digital display, backlight, motor vibration, buzzer10. Automatic shutdown: 5 minutes without input11. Power supply: built-in 3.7V 400mAh lithium battery12. Material: ABS, silicone cover13. Size: 170.6x27.6x20mm14. Weight: 80gSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 19cm * 4cm * 3cm / 7.48inch * 1.57inch * 1.18inch Qty per Carton 100 Carton Weight 11.80kgs / 26.01lb Carton Size 39cm * 29cm * 22cm / 15.35inch * 11.42inch * 8.66inch Loading Container 20GP: 1071 cartons * 100 pcs = 107100 pcs 40HQ: 2487 cartons * 100 pcs = 248700 pcs

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1. Temperature range: -20~60 degrees Celsius / -4~140 degrees Fahrenheit2. Humidity range: 10~99%RH3. Illumination: 0~199999 LUX / 0-199.99 FC4. Altitude: -700~9000m5. Air pressure: 300~1200hpa6. Noise: 30~130dB7. Display: LCD8. Power supply: built-in 3.7V 400mAh lithium battery9. Material: ABS10. Size: 160x58x23mm11. Weight: 177gSpecification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 18cm * 8.5cm * 4.5cm / 7.09inch * 3.35inch * 1.77inch Qty per Carton 60 Carton Weight 13.50kgs / 29.76lb Carton Size 46cm * 37cm * 27cm / 18.11inch * 14.57inch * 10.63inch Loading Container 20GP: 580 cartons * 60 pcs = 34800 pcs 40HQ: 1347 cartons * 60 pcs = 80820 pcs

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1. Power supply: 3.7V/1000mAh2. Operating temperature: 0 degrees Celsius to 45 degrees Celsius3. Air volume measurement range: 0-999900CMM4. Wind speed measurement range: 0-5904 feet/minute5. Operating humidity: 40-80%RH6. Storage humidity: about 80%7. Can measure current wind speed, temperature, maximum wind flow and minimum wind flow8. Support five wind speed unit selections, manual/automatic shutdown9. Support data retention, LCD backlight displaySpecification: Package Weight One Package Weight 1.12kgs / 2.48lb One Package Size 33cm * 24cm * 9cm / 12.99inch * 9.45inch * 3.54inch Qty per Carton 20 Carton Weight 23.40kgs / 51.59lb Carton Size 68cm * 50cm * 47cm / 26.77inch * 19.69inch * 18.5inch Loading Container 20GP: 166 cartons * 20 pcs = 3320 pcs 40HQ: 387 cartons * 20 pcs = 7740 pcs

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1. Measuring range: -50 degrees Celsius to 600 degrees Celsius (-58 degrees Fahrenheit to 1112 degrees Fahrenheit)2. Distance ratio: 12:13. Emissivity: 0.95 preset4. This infrared thermometer is used to measure the temperature of the surface of an object, suitable for a variety of high-temperature, dangerous or difficult-to-reach objects, without contact5. This unit consists of optical components, temperature sensor signal amplifier, processing circuit and LCD display. The optical device collects the infrared energy emitted by the object and focuses it on the sensor. The sensor then converts the energy into an electrical signal. The signal is digitally displayed on the LCD display after the signal amplification processing circuit6. 1.5V AAAx2 batteries (not included)Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 21cm * 15cm * 6cm / 8.27inch * 5.91inch * 2.36inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 62cm * 44cm * 32cm / 24.41inch * 17.32inch * 12.6inch Loading Container 20GP: 305 cartons * 40 pcs = 12200 pcs 40HQ: 709 cartons * 40 pcs = 28360 pcs

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1. Measuring range: -50 degrees Celsius to 400 degrees Celsius (-58 degrees Fahrenheit to 752 degrees Fahrenheit)2. Distance ratio: 12:13. Emissivity: 0.95 preset4. This infrared thermometer is used to measure the temperature of the surface of an object, suitable for a variety of high-temperature, dangerous or difficult-to-reach objects, without contact5. This unit consists of optical components, temperature sensor signal amplifier, processing circuit and LCD display. The optical device collects the infrared energy emitted by the object and focuses it on the sensor. The sensor then converts the energy into an electrical signal. The signal is digitally displayed on the LCD display after the signal amplification processing circuit6. 1.5V AAAx2 batteries (not included)Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 21cm * 15cm * 6cm / 8.27inch * 5.91inch * 2.36inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 62cm * 44cm * 32cm / 24.41inch * 17.32inch * 12.6inch Loading Container 20GP: 305 cartons * 40 pcs = 12200 pcs 40HQ: 709 cartons * 40 pcs = 28360 pcs

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1. Measuring range: -50 degrees Celsius to 950 degrees Celsius (-58 degrees Fahrenheit to 1742 degrees Fahrenheit)2. Distance ratio: 12:13. Emissivity: 0.95 preset4. This infrared thermometer is used to measure the temperature of the surface of an object, suitable for a variety of high-temperature, dangerous or difficult-to-reach objects, without contact5. This unit consists of optical components, temperature sensor signal amplifier, processing circuit and LCD display. The optical device collects the infrared energy emitted by the object and focuses it on the sensor. The sensor then converts the energy into an electrical signal. The signal is digitally displayed on the LCD display after the signal amplification processing circuit6. 1.5V AAAx2 batteries (not included)Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 21cm * 15cm * 6cm / 8.27inch * 5.91inch * 2.36inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 62cm * 44cm * 32cm / 24.41inch * 17.32inch * 12.6inch Loading Container 20GP: 305 cartons * 40 pcs = 12200 pcs 40HQ: 709 cartons * 40 pcs = 28360 pcs

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1. Calibrated sound source: 94dB/1KHz2. Measurement range: 30-130 dB, 35-130dB3. Resolution: 0.1dB4. Frequency response: 31.5Hz-8500Hz5. Rated current: 70mA6. Standby current: 5uA7. Power supply: 3.7V/1000mAh8. Charging time: 1.5h9. Use time: 8h10. Working temperature: 0 to 50 degrees Celsius11. Working humidity: 10-80%12. Can be used for noise engineering, quality control, health prevention and environmental noise measurementSpecification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 19cm * 13cm * 5cm / 7.48inch * 5.12inch * 1.97inch Qty per Carton 80 Carton Weight 20.20kgs / 44.53lb Carton Size 54cm * 52cm * 40cm / 21.26inch * 20.47inch * 15.75inch Loading Container 20GP: 237 cartons * 80 pcs = 18960 pcs 40HQ: 551 cartons * 80 pcs = 44080 pcs

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1. Three-in-one function, electric pen + ammeter + multimeter, strong practicality.2. Beautiful, portable, high precision, fast testing, more reliable.3. Color LCD display, LED flashlight design, enhanced reading experience.4. With full-range overload protection, automatic measurement at power on, and intelligent burn prevention.5. Automatic mode: can automatically identify AC voltage, DC voltage, resistance, and on/off.Parameters:1. DC voltage: 0.800V-610V2. AC voltage: 0.800V-610V3. DC current: 1-100A4. AC current: 1-100A5. Resistance: 5 ohms-40.00 Mega ohms6. Display: LCD screen7. Maximum display value: 4000 digits8. Sampling rate: about 3 times/second9. Automatic shutdown time: 15 minutes10. Working temperature and humidity: 0-40 degrees Celsius, 0-80%RH11. Storage temperature and humidity: -10-60 degrees Celsius, 0-70%RH12. Power supply: built-in 3.7V 400mAh lithium battery13. Working altitude: maximum 2000m14. Dimensions: 192 x 36 x 30mm15. Weight: 100gSpecification: Package Weight One Package Weight 0.22kgs / 0.48lb One Package Size 22cm * 7cm * 4.5cm / 8.66inch * 2.76inch * 1.77inch Qty per Carton 60 Carton Weight 14.00kgs / 30.86lb Carton Size 45cm * 45cm * 23cm / 17.72inch * 17.72inch * 9.06inch Loading Container 20GP: 572 cartons * 60 pcs = 34320 pcs 40HQ: 1329 cartons * 60 pcs = 79740 pcs

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1. Three-in-one function, electric pen + ammeter + multimeter, strong practicality.2. Beautiful, portable, high precision, fast testing, more reliable.3. Color LCD display, LED flashlight design, enhanced reading experience.4. With full-range overload protection, automatic measurement at power on, and intelligent burn prevention.5. Automatic mode: can automatically identify AC voltage, DC voltage, resistance, and on/off.Parameters:1. DC voltage: 0-610V2. AC voltage: 0-610V3. DC current: 1-100A4. AC current: 1-100A5. Resistance: 1 ohm-60 megohms6. Capacitance: 0.01uF-60mF7. Frequency: 1.000Hz-9.999MHz8. Duty cycle: 10%-95%9. Temperature: -50 degrees Celsius to 1000 degrees Celsius10. Display: LCD screen11. Maximum display value: 6000 digits12. Sampling rate: about 3 times/second13. Automatic shutdown time: 15 minutes14. Power supply: built-in 3.7V 400mAh lithium battery15. Working altitude: maximum 2000m16. Dimensions: 192 x 36 x 30mm17. Weight: 102gSpecification: Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 20cm * 8.5cm * 4.5cm / 7.87inch * 3.35inch * 1.77inch Qty per Carton 60 Carton Weight 17.00kgs / 37.48lb Carton Size 45cm * 45cm * 23cm / 17.72inch * 17.72inch * 9.06inch Loading Container 20GP: 572 cartons * 60 pcs = 34320 pcs 40HQ: 1329 cartons * 60 pcs = 79740 pcs

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1. 20A/1000V gold-plated multimeter pen, replaceable needle heads, compatible with 99% multimeters, gold-plated stainless steel, comes with multiple needle heads2. Universal plug compatible with 99% of multimeters, strong overload current capability, universal multimeter probe, suitable for most multimeters in the market3. Alloy steel watch hands, resistant to bending and Rustin both hard and tough high-quality hands, sturdy and durable oxidation-resistant4. The handle is made of insulated silicone material, designed with anti-slip features, providing a comfortable grip, specifically tailored for electronic repairs5. High-quality materials, excellent flexibility, resistance to wear, and heat, and strong tensile strength, it does not harden even at low temperatures and has a strong overload current capability6. 120-core tinned copper, strong electrical, conductivity data is faster and more accurate7. Replaceable watch hands special pointed pen probes special pointed steel needle ultra-sharp and fine 0.2mm, precision detection of tiny components, ultra-sharp and sensitive suitable for narrow spacesSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 20cm * 10cm * 4cm / 7.87inch * 3.94inch * 1.57inch Qty per Carton 60 Carton Weight 10.00kgs / 22.05lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 60 pcs = 28320 pcs 40HQ: 1096 cartons * 60 pcs = 65760 pcs

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1. Use one 9V battery2. Measuring range: 0-5003. Resolution: 1.0mm4. Measuring accuracy: ±0.2mm5. Wide adaptability6. Low consumption, durable7. Accurate measurement, clear reading8. Fast detection speed, high sensitivity9. Adapt to water quality in various environments and regions10. Scope of application: tunnel lining, bridge, slope, dock, gate, continuous wall11. The use of anti-gradation excitation circuit and corrosion-resistant electrode can effectively prevent electrode oxidation and rust, and maintain long-term use sensitivity unchangedSpecification: Package Weight One Package Weight 7.00kgs / 15.44lb One Package Size 47cm * 37cm * 29cm / 18.5inch * 14.57inch * 11.42inch Qty per Carton 1 Carton Weight 8.10kgs / 17.86lb Carton Size 49cm * 39cm * 31cm / 19.29inch * 15.35inch * 12.2inch Loading Container 20GP: 450 cartons * 1 pcs = 450 pcs 40HQ: 1044 cartons * 1 pcs = 1044 pcs

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1. Digital Lux Meter is a professional instrument for measuring luminosity and brightness. lt is used for light intensity measurement engineering, quality control, health prevention, and light intensity measurement in various environments, such as factories, schools, offices, traffic routes, homes, etc.2. Measuring illuminance and current value, maximum value, minimum value and difference.3. Measurement statistics illuminance integral, integral average and data recording functions.4. The alarm function of illuminance exceeding the default setting. By default, the high alarm is set to 20,000; the low alarm is 0; the set value is not related to the unit.5. luminance value data hold.6. lluminance temperature detection.7. Automaticrange; sensitive response; be able to measure low-light environment(<10Lx).8. Switchable illuminance units (Lx/Fc)and temperature units (C/F). Fc: footcandle; Lx:lux;conversion relationship:1Fc=10.764LX9. Automatically shut off without operation for a long period of time can be turned on10. Bluetooth mobile phone APP communication and computer communication function.Specification: Package Weight One Package Weight 0.90kgs / 1.99lb One Package Size 30cm * 23cm * 9cm / 11.81inch * 9.06inch * 3.54inch Qty per Carton 10 Carton Weight 10.00kgs / 22.05lb Carton Size 48cm * 47cm * 32cm / 18.9inch * 18.5inch * 12.6inch Loading Container 20GP: 369 cartons * 10 pcs = 3690 pcs 40HQ: 857 cartons * 10 pcs = 8570 pcs

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1. Material: plastic2. Accuracy: 0.5 degrees Celsius (-20~40 degrees Celsius)3. Memory capacity: 10 minutes (customized design available)4. Startup delay: 10 minutes5. Data capacity: 100006. Communication interface: USB2.07. Report generation: PDF8. Report delay recording: 30 minutes9. Equipment storage environment: recommended humidity 20 TO 60%RH, temperature 10 TO 50 degrees Celsius10. No cables or readers are required, the USB connector can be quickly connected to a pc to download data11. The USB temperature data logger is a super fast and easy to configure data logger, no software installation is required12. The temperature and humidity logger provides all key information records, including alarms, temperature statistics, etc.13. Up to 10,000 temperature points and 10,000 humidity points14. The disposable USB temperature recorder is a simple and portable temperature recorder designed for cold chain.15. This product is widely used in the transportation and storage of food and products.16. Dimensions: 69x33x20mm17. Weight: 20gSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 6cm * 9cm * 3cm / 2.36inch * 3.54inch * 1.18inch Qty per Carton 352 Carton Weight 11.70kgs / 25.79lb Carton Size 50cm * 38cm * 35cm / 19.69inch * 14.96inch * 13.78inch Loading Container 20GP: 401 cartons * 352 pcs = 141152 pcs 40HQ: 930 cartons * 352 pcs = 327360 pcs

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1. Material: plastic2. Accuracy: 0.5 degrees Celsius (-20~40 degrees Celsius)3. Memory capacity: 10 minutes (customized design available)4. Startup delay: 10 minutes5. Data capacity: 100006. Communication interface: USB2.07. Report generation: PDF8. Report delay recording: 30 minutes9. Equipment storage environment: recommended humidity 20 TO 60%RH, temperature 10 TO 50 degrees Celsius10. No cables or readers are required, the USB connector can be quickly connected to a pc to download data11. The USB temperature data logger is a super fast and easy to configure data logger, no software installation is required12. The temperature and humidity logger provides all key information records, including alarms, temperature statistics, etc.13. Up to 10,000 temperature points and 10,000 humidity points14. The disposable USB temperature recorder is a simple and portable temperature recorder designed for cold chain.15. This product is widely used in the transportation and storage of food and products.16. Dimensions: 69x33x20mm17. Weight: 20gSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 6cm * 9cm * 3cm / 2.36inch * 3.54inch * 1.18inch Qty per Carton 352 Carton Weight 11.70kgs / 25.79lb Carton Size 50cm * 38cm * 35cm / 19.69inch * 14.96inch * 13.78inch Loading Container 20GP: 401 cartons * 352 pcs = 141152 pcs 40HQ: 930 cartons * 352 pcs = 327360 pcs

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1. Cable cover: PVC eco-friendly material2. Cable model: 3C-2V3. Plug specification: BNC male + 2 alligator clips4. Cable specification: 23/0.10BC x 1C+AL+48/0.12ACS OD5.0MM5. BNC to crocodile clips: the use of selected pure copper, not rust, corrosion prevention, transmission performance is more stable, fast, safe and durable6. HD security BNC cable: strict multiple testing of each product to ensure that the factory pass rate, better quality7. Fine workmanship: product size is strictly in accordance with the qualified size production, super strong clamping force, effectively prevent the use of the phenomenon of falling off in the process8. Length: 0.5m, 1m, 1.5mSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 20cm * 5cm * 2cm / 7.87inch * 1.97inch * 0.79inch Qty per Carton 300 Carton Weight 20.60kgs / 45.41lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 300 pcs = 114300 pcs 40HQ: 885 cartons * 300 pcs = 265500 pcs

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1. Cable cover: PVC eco-friendly material2. Cable model: 3C-2V3. Plug specification: BNC male + 2 alligator clips4. Cable specification: 23/0.10BC x 1C+AL+48/0.12ACS OD5.0MM5. BNC to crocodile clips: the use of selected pure copper, not rust, corrosion prevention, transmission performance is more stable, fast, safe and durable6. HD security BNC cable: strict multiple testing of each product to ensure that the factory pass rate, better quality7. Fine workmanship: product size is strictly in accordance with the qualified size production, super strong clamping force, effectively prevent the use of the phenomenon of falling off in the process8. Length: 0.5m, 1m, 1.5mSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 22cm * 6cm * 2cm / 8.66inch * 2.36inch * 0.79inch Qty per Carton 180 Carton Weight 15.20kgs / 33.51lb Carton Size 46cm * 38cm * 32cm / 18.11inch * 14.96inch * 12.6inch Loading Container 20GP: 476 cartons * 180 pcs = 85680 pcs 40HQ: 1106 cartons * 180 pcs = 199080 pcs

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1. Cable cover: PVC eco-friendly material2. Cable model: 3C-2V3. Plug specification: BNC male + 2 alligator clips4. Cable specification: 23/0.10BC x 1C+AL+48/0.12ACS OD5.0MM5. BNC to crocodile clips: the use of selected pure copper, not rust, corrosion prevention, transmission performance is more stable, fast, safe and durable6. HD security BNC cable: strict multiple testing of each product to ensure that the factory pass rate, better quality7. Fine workmanship: product size is strictly in accordance with the qualified size production, super strong clamping force, effectively prevent the use of the phenomenon of falling off in the process8. Length: 0.5m, 1m, 1.5mSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 16cm * 4cm * 2cm / 6.3inch * 1.57inch * 0.79inch Qty per Carton 360 Carton Weight 17.30kgs / 38.14lb Carton Size 50cm * 34cm * 32cm / 19.69inch * 13.39inch * 12.6inch Loading Container 20GP: 490 cartons * 360 pcs = 176400 pcs 40HQ: 1137 cartons * 360 pcs = 409320 pcs

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1. Working power supply: DC12V, can be directly charged2. Working current: 200mA3. Battery capacity: 2000mAh4. LCD screen: 7-inch high-definition LCD screen5. Camera: 3 million pixel high-definition CCD chip6. Fill light source: high-brightness white light7. Display screen support language: Chinese, English8. Total length of the pull rod: about 3.6 meters9. Net weight: about 1.8KgFeatures:1. 7-inch large screen, clearer display2. Automatic storage of video and photo taking, configuration of memory card, check the detection record at any time, can provide pictures to help deal with accidents3. 3.6 meters retractable rod, suitable for a variety of situations, more convenient and quick to detect4. The camera comes with LED fill light, which can be used in the dark or at night5. Explosion-proof handle, built-in lithium battery, concave and convex surface anti-slip feel6. Can be rotated to adjust the length at willPacking list:- Display screen x 1- Bend tube camera x 1- 8G memory card x 1- Sunshade x 1- Explosion-proof handle (built-in battery) x 1- Charger x 1- Telescopic rod x 1- Remote control (with button battery) x 1- Storage box x 1Specification: Package Weight One Package Weight 7.50kgs / 16.54lb One Package Size 27cm * 18cm * 14cm / 10.63inch * 7.09inch * 5.51inch Qty per Carton 2 Carton Weight 15.50kgs / 34.17lb Carton Size 34cm * 30cm * 14cm / 13.39inch * 11.81inch * 5.51inch Loading Container 20GP: 1867 cartons * 2 pcs = 3734 pcs 40HQ: 4335 cartons * 2 pcs = 8670 pcs

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1. Power supply: 9V battery2. Measurement range: 0.3-45m/s3. Resolution: 0.001m/s4. Widely used in the power, steel, petrochemical, energy conservation, and other industries, as well as in sailing, rowing, and field shooting competitions.5. Large, high-definition LCD display accurately displays measurement data and temperature status.6. Nighttime backlight easily handles harsh environments and is suitable for a variety of locations.7. The measuring probe is retractable and can be extended up to 365mm, effectively increasing the measurement distance and making measurement more convenient.8. Ruby low-friction bearing technology ensures low resistance and fast measurement. Five blades provide more accurate measurement.9. Dimensions: 220x65x30mmSpecification: Package Weight One Package Weight 0.91kgs / 2.00lb One Package Size 30cm * 21cm * 8cm / 11.81inch * 8.27inch * 3.15inch Qty per Carton 4 Carton Weight 4.80kgs / 10.58lb Carton Size 32cm * 23cm * 34cm / 12.6inch * 9.06inch * 13.39inch Loading Container 20GP: 1065 cartons * 4 pcs = 4260 pcs 40HQ: 2473 cartons * 4 pcs = 9892 pcs

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