Bestselling Products

1. Applicable area: less than 10 square meters2. Applicable model: suitable for Ecovacs T9 AIVI/T9 AIVI+3. The bristles are moderately soft and hard, and the cleaning force is strong4. Hypa filter, good filterability5. The rag is not easy to shed hair and easy to clean6. Rolling brush real machine mold opening, high adaptability7. Weight: side brush 11g/pair, filter screen 29g/piece, rag 10g/piece, double roller brush 68g/piece8. Set list: side brush x 3+ rag x 5 + filter screen x 3+ double roller brush x 1

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1. This printing paper is made of high-quality wood pulp, which is safe and durable to use, and can keep the paper from fading for a long time. 2. The paper is ordinary white paper, no adhesive, direct thermal printing, saving time and effort. 3. The receipt paper is waterproof, oil-proof, scratch-resistant, smooth, thin and can be easily installed in the device. 4. Moreover, the receipt paper is printed clearly and conveniently, and can be used for a long time without cracking. 5. Easy to install and easy to carry. 6. When using the thermal paper in the camera, you can easily fill the paper, and 10 rolls of paper are enough to meet long-term needs.

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1. The microphone clip on the stand can be rotated freely at multiple angles to adjust the pickup direction2. The left and right adjustment distance is 80mm, and the length of the bracket is 25cm3. Applicable scenarios: corporate meetings/business speeches/educational lectures/multi-platform live broadcasts4. Material: aluminum alloy + ABS5. Weight: 190g for two heads, 280g for four heads

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1. Material: zinc alloy, optical glass lens2. Magnification: 10X3. Lighting source: 2 LED lights4. Mirror diameter: 28mm5. Battery: LR927 button battery x 3 (shipping without battery)6. Optical glass lens, high transparency, clear image7. Using thick aluminum alloy frame, good durability8. With pointer scale design, easy to read the length9. Two LED lights auxiliary light source, low energy consumption and long service life10. Unfolded size: 5 x 5 x 3.8 cm11. Folded size: 5.5 x 3.3 x 2.2 cm12. Weight: 98 grams

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1. Material: ABS, optical acrylic lens2. Magnification: 3X3. Lighting source: 5 pure white LED lights4. Battery: AAA battery x 3 (shipping without battery)5. Lens size: 10.8 x 6.3 cm6. Using optical acrylic lens, high-definition magnification, more comfortable vision7. The handle is foldable, which is convenient for storage and more convenient to use.8. The frame is made of ABS material, which is resistant to falling and effectively protects the lens9. With 5 pure white LED lights, low energy consumption and long service life10. Folded size: 14 x 11.5 x 2.5 cm m11. Unfolded size: 26.5 x 12 x 2.5 cm12. Weight: 155 grams

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1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter2. Using RX8025T clock chip, the timing accuracy is stable3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough4. Power supply voltage: DC5.0-30V5. Temperature function range: -40-120 degrees Celsius, resolution 0.16. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)7. Size: about 4x1.4x1.3cmFunction and usage instructions:1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius- Press the left button again to enter the definition function dd option of the display item in the cycle display state,Press the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval- Press the left button again to save all the set values ​​and return to the normal display state3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate display

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1. Voltage: DC12-24V2. Frequency: 50/60HZ3. Installation method: indoor, ceiling installation4. HF system: 5.8GHz CW radio wave, ISM band5. Transmitting power: less than 10mW6. Power: 70W (DC 12V)7. Detection angle: 360 degrees8. Distance: about 1-10m (radius) adjustable9. Working delay: 10 seconds to 3 minutes10. Light control illumination: about 2-2000 LUX11. Power consumption: about 0.5W12. Description: 807 with power output, 807K without power output13. Applicable environment: corridors, toilets, living rooms, corridors, warehouses, garages, etc.14. Installation reminder: the induction switch has a transmission blind spot in the central area. If it is installed in a small indoor environment (such as bathroom, kitchen), try to install it on the side or in the corner, so that the induction area will be more effective on the side. otherwise, the vertical center activity may not be sensed15. Size: about 7.6x4.1x3.9cm

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1. Memory capacity (MAX): 128G, more than 10,000 photos taken, more than 3 days of video shooting (not included) 2. Battery life: measured continuous use for about 6 hours 3. File format: photo JPG, video MP4 4. Shooting distance: 2.95mm-infinity and more than 1 km 5. Charging port: Type-c 6. Headphone jack: 3.5mm 7. Shutter speed: 1/10 second-1/2650 second 8. Image resolution: 64MP; 56MP; 48M (8000 x 6000); 36M (6880 x 5160); 24M (5600 x 4200); 20M (5120 x 3840); 16M (4640 x 3480); 12M (4032 x 3024 ); 8M (3264 x 2448); 5M (2592 x 1944) 9. Video resolution: 4K 30FPS; 2.7K/1080P 60FPS; 1080P 30FPS; 720P 60FPS; 720P 30FPS 10. Language: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French, German, Italian, Spanish, Portuguese, Russian, Polish, Vietnamese 11. Wi-Fi control (remotely view/save videos and photos via mobile phone) 12. 4K video recording resolution MAX, 64 million pixels MAX 13. 4800 mAh real capacity large battery (built-in lithium battery) 14. F=2.7 2.95mm super large lens aperture, large light intake, high brightness, true color 3-inch IPS display 16:9 (480x854 resolution) 15. Metallic texture, stable hand feel, exquisite skin texture 16. Interchangeable lens, external microphone, fill light, stand (optional) 17. Wi-Fi connects to the mobile phone, the product is interconnected to transmit photos, remote controls video and photos, downloads the APP and connects with the product to transfer photos to the mobile phone 18. IR night vision, when the lens senses changes in light intensity, it switches to IR-CUT, allowing you to take pictures in dim environments. 19. Front and rear dual true high-definition lenses with 120 degree wide angle record every wonderful moment. Press and hold the camera button on any interface to record, release to end and save the video. 20. 16X anti-shake zoom, distant scenery is within reach, anti-shake optimization function while zooming 21. Supports a variety of filter functions to make photos more colorful 22. Can be used as an external computer camera to give the camera more possibilities 23. Camera size: 13x12.5x9.5 cm 24. Weight: about 360 grams for a single camera, 45 grams for macro, 61 grams for microphone, 60 grams for fill light, and 200 grams for handheld stand Packing list: - Camera - Shoulder straps - Built-in battery - Lens cap - Charging Cable - User Guide - Certificate of conformity - Warranty Card - Does not include memory card

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1. Start up and play video and music pictures automatically2. Built-in 4G storage space3. Play PPT and PDF files4. Landscape and portrait display5. 3.5 External Audio6. The machine supports external USB mouse operation7. Support 2K, 4K video playback8. Can be used as background music player9. Device interface HDMI/AV/USB2.0/TF card slot10. Packing list: Host + power + remote control +AV cable + instruction + 1 HDMI cable

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1. Channel selection: manual2. Speaker: built-in3. FM: 88-1084. AM: 53-1605. Power supply: AA battery x2 (not included)6. Rated voltage: 3V7. Rated power: 0.5W8. Material: ABS9. Applicable people: the elderly10. Radio tuning mode: pointer11. Channel: mono12. Band type: two bands13. Size: about 9.5x5.8x2.2cm14. Weight: about 63 grams

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1. Made of high quality ABS material, stable and firm, suitable for our using. 2. The adjustable clamp will fit most standard-sized music sheet stands and microphone stands. 3. Simple to install and convenient to disassemble, easy to carry and store. 4. Adjust the clamp-on tray to a comfortable height, lock the mount in place and you are ready to start the show 5. The plate board used to fix sound card, suitable for stage, chat room, internet bar, control room and so on. 6. Tray size: 16.5 x 22cm 7. Diameter range of clamp: 2.1cm to 3cm

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Memory Card Type:SD CardScreen Type:LCD ScreenImage Stabilization:Electronic Image StabilizationSet Type:Zoom SetsModel Number:Digital CameraImage Resolution (Video):Full HD (1920x1080)Recording Format:Picture: JPEG Video: AVI1. CMOS sensor, up to 16 million pixels2. Storage media: expandable SD card / HCSD card to 32GB3. Sensitivity: automatic, ISO100, ISO200, ISO4004. Lens: fixed lens F/3.2, f=7.6mm5. Focus range: 1.2m - infinity6. Still image: JEPG/VGA, 1M, 3M, 5M, 12M, 16M (interpolation), movie clip AVI 1080P 720P VGA7.LED fill light: <1.0m range Open/close8. white balance: automatic / sunlight / cloudy / bulb / fluorescent9. Exposure compensation: -2.0/+2.010. Self-timer: Off / 2 seconds / 5 seconds / 10 seconds, automatic shutdown: off / 1/3 / 5 / 10 minutes11. Computer interface: USB2.0 (high speed)12. Microphone: Built-in, speaker: built-in13. LCD screen: 2.7-inch TFT-LCD (230,000 pixels, 4:3)14. Video output: NTSC/PAL15. Power supply: lithium ion battery BL-5C

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Memory Card Type:SD CardScreen Type:LCD ScreenImage Stabilization:Electronic Image StabilizationSet Type:Zoom SetsModel Number:Digital CameraImage Resolution (Video):Full HD (1920x1080)Recording Format:Picture: JPEG Video: AVI1. CMOS sensor, up to 16 million pixels2. Storage media: expandable SD card / HCSD card to 32GB3. Sensitivity: automatic, ISO100, ISO200, ISO4004. Lens: fixed lens F/3.2, f=7.6mm5. Focus range: 1.2m - infinity6. Still image: JEPG/VGA, 1M, 3M, 5M, 12M, 16M (interpolation), movie clip AVI 1080P 720P VGA7.LED fill light: <1.0m range Open/close8. white balance: automatic / sunlight / cloudy / bulb / fluorescent9. Exposure compensation: -2.0/+2.010. Self-timer: Off / 2 seconds / 5 seconds / 10 seconds, automatic shutdown: off / 1/3 / 5 / 10 minutes11. Computer interface: USB2.0 (high speed)12. Microphone: Built-in, speaker: built-in13. LCD screen: 2.7-inch TFT-LCD (230,000 pixels, 4:3)14. Video output: NTSC/PAL15. Power supply: lithium ion battery BL-5C

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1. Video resolution: 1280x720HD, 640x480 VGA, 320x240 QVGA 2. Digital zoom: 8 x digital zoom 3. Exposure: EV-3 EV+3 4. White balance: auto/day/cloudy/tungsten/fluorescent 5. Scene: Auto/Night Portrait/Night Scene/Portrait/Landscape/Sports/Party/Beach/High Sensitivity 6. ISO: Auto/100/200/400 7. Selfie: 2/5/10 seconds delay 8. File format: JPEG format (still image)/AVI format 9. Anti-shake: support 10. Flash: Auto/Forced flash/Flash off/Red-eye reduction 11. Direct printing: support 12. Face first: support 13. Smile shot: support 14. Continuous shooting: support (VGA 6PCS) 15. Microphone: support 16. Optical Viewfinder: N/A 17. TV output: N/A 18. Port: USB 2.0 19. System requirements: Windows XP/Vista/7, MAC 20. Battery capacity: 550mAh Li-ion battery 21. Image sensor: CMOS sensor Features: 1. 48 million photosensitive elements take images, effectively use colorful frame rates, and white can also capture emotional levels 2. Greatly improve the color illuminance (FSI) technology, increase the amount of light, full HD shooting 3. 8x digital zoom, take beautiful photos instantly 4. 2.7-inch TFT LCD screen, high-definition screen, watch while shooting 5. A variety of scene modes to add creativity to photography 6. Support Selfie, with flash function 7. When the subject is very close to the camera lens, no manual adjustment is required to focus correctly 8. Anti-shake function to avoid blurred photos due to shaking when shooting 9. Facial recognition function, can take higher quality portrait pictures 10. Support connecting to a computer for printing, and can also be cropped or rotated in the camera before printing as needed Packing list: 1. Host x1 2. USB data cable x1 3. Hand rope x1 4. Manual x1 5. Cloth bag x1

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Do you have trouble at that how to connect 6 sets power amplifier and 2 sets loudspeakers?Do you have trouble at that shift select 6 sets power amplifier to make 2 sets loudspeaker sounding at the same time?One strong power amplifier and loudspeaker distribute device able to solve the above problems,1. 6 sets power amplifier key type switch select output, 2 sets stereophonic loudspeaker key type switch select output (2 sets loudspeakers able to be independently start or close)2. 6 sets input adopt 6 gears mechanical switch manually shift, gears switch will not generate burst sound when shifting3. 2 sets stereophonic loudspeaker able to send sound at the same time, also able to close one set loudspeaker or multiply sets loudspeaker independently, manually select the key type switch.4. Input passageway support up to 300W power amplifier and all types loudspeakers from 4 ohm to 16 ohm.5. Signal input provide electric tube power amplifier signal idle protect function.6. Input and output manually select switch, able to be used once inserted, stably shift signal, not generate any disturb or noise among the passageways.7. Compact design and solid metal shell, simple installation, the product neednot additionally connect power supply.8. Simple installation: Input and output, able to be used once inserted, convenient to install, then can enjoy different hearing experienceProduct Parameter1. Interface: Banana type plug2. Power supply: No need additionally connect power supply, able to be used once inserted3. Compatible all types power amplifiers and loudspeakers4. Input\output accept the heavy type loudspeaker wire or loudspeaker pin wire through terminal.5. Connect the power amplifier to AMP - 1-2-3-4-5-6 position.6. Connect the loudspeaker to SPKR - A and B position respectively.7. Input passageway: 6 sets power amplifier input (banana type plug)8. Output passageway: 2 sets loudspeaker output (banana type plug)9. Power: input passageway support 300W10. Metal materials, fine steel shell, compact size suitable to any system.11. Passageway power: Input passageway support up to 300W.12. Frequency responding: 10Hz - 50KHz.13. Single product net weight: 1.21 kg14. Product size: 320mm x 110mm x 62mm

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Do you have trouble at that how to connect 2 sets stereophonic signal source and 8 sets output equipment?Do you have trouble at that how to make 8 sets equipment output send sound at the same time after 2 sets equipment select shift output?One strong stereophonic shift distribute device able to solve the problems that multiply equipment plug in and out,1. 8 sets stereophonic output has independent switch, able to start at the same time, also able to be closed independently, start at the same time no consumption at the signal source tone quality and volume.2. 2 sets input able to start at the same time and mix together to input, also able to close one set independently,3. Able to solve the problem that able to distribute output 8 sets stereophonic after 1 set or 2 sets stereophonic mix input, output independent switch control,4. Simple installation: input and output, able to be used once inserted, convenient to install, input and output signal no consumption, then can enjoy different hearing experienceProduct Parameter1. Material: Metal2. Interface: RCA interface3. Power supply: USB 5V supply power4. Input and output impedance: 10K ohms - 50K ohms5. Frequency responding: 20 - 20kHz.6. Distortion: Less than 0.002%7. Output consumption: Less than 0.01dB8. Signal gain: 15dB9. Signal-noise ratio S/N: Greater than 98dB10. Input and output interface: Standard RCA interface11. Input passageway quantity: 2 sets stereophonic shift input (2 sets input able to start at the same time and mix together to input, also able to close one set independently)12. Output passageway quantity: 8 sets stereophonic shift input (able to start at the same time and close independently)13. Control switch: Input and output adopt self lock switch, accurately select manually shift14. Input shift passageway: 2 passageways15. Output shift passageway: 8 passageways16. Single product net weight: 0.45 kg17. Product size: 167mm x 81mm x 38mmKit list1. B062 2 in 8 out audio frequency signal select shift device x 12. USB power supply wire (wire length 100cm) x 1

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1. Made of high quality ABS material, stable and firm, suitable for our using. 2. The adjustable clamp will fit most standard-sized music sheet stands and microphone stands. 3. Simple to install and convenient to disassemble, easy to carry and store. 4. Adjust the clamp-on tray to a comfortable height, lock the mount in place and you are ready to start the show 5. The plate board used to fix sound card, suitable for stage, chat room, internet bar, control room and so on. 6. Tray size: 27 x 20.6cm 7. Diameter range of clamp: 1.32cm to 3cm

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1. PMMA lens, increase light transmittance and light input2. 2.4-inch high-definition color screen, collimating focusing lens, dual photosensitive holes3. Electronic universal horizontal bubble, 360-degree accurate positioning4. Photography + dual power supply: small optical system, electronic angle sensor, electronic universal horizontal bubble, camera assisted aiming, live voice broadcast5. Photography + dual power supply + Bluetooth: large optical system, electronic angle sensor, electronic universal horizontal bubble, camera assisted aiming, real voice broadcast, Bluetooth mobile APP6. Camera + video + bluetooth + drawing: large optical system, electronic angle sensor, electronic universal horizontal bubble, camera assisted aiming, Bluetooth mobile APP, dual processor, 4x digital zoom, photo/audio/video, music video playback , 16G storage space, trapezoidal measurement7. Scope of application: distance measurement / area volume measurement / Pythagorean measurement / Bluetooth drawing8. Battery capacity: photography + dual power supply / photography + dual power supply + Bluetooth: 2400mah; camera + video + Bluetooth + drawing: 4800mah9. Power mode: USB charging / built-in lithium battery10. Measurement mode: Length/Area/Volume/Pythagorean/Angle Height/Wall Speed ​​Measurement11. Measuring range: 80 meters, 120 meters, 200 meters12. Charging voltage: DC 5v13. Charging current: 1A14. Charging power: 5w15. Dimensions: photography + dual power supply / photography + dual power supply + Bluetooth: 12.5 x 5.4 x 2.7cm, camera + video + Bluetooth + drawing: 14 x 5.8 x 2.8mm16. Weight: about 160g

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1. It is both a pendant and a voice recorder2. One-key recording, easy to operate3. Professional audio noise reduction chip low-power amplifier, restore real and clear sound4. Intelligent voice-activated recording, effectively saving memory space and battery capacity5. Connect the computer to synchronize Beijing time, which is convenient to record the file generation time and end time6. After the recording file is encrypted, it can effectively prevent data leakage and use it more safely7. Automatically save when power off to ensure that the recorded data is not lost8. Large-capacity U disk storage function, which can store files and connect to a computer for viewing9. Connect the OTG adapter to play and manage the recording files on the phone (only supports Android phones)10. Material: Zinc Alloy11. Recording time: 35 hours12. Playing time: 14 hours13. Charging time: 1.5 hours14. Standby time: 30 days15. Battery capacity: 120mah16. Recording format: WAV/MP317. Playback format: MP3/WMA/WAV18. Dimensions: 42x37x9.6mm

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1. Mainly used to test various battery voltage, discharge current, discharge power, discharge impedance, internal resistance, capacity, discharge energy, power consumption and running time, and display the measurement data through the LCD screen.2. Voltage:- Measuring range: 0-200V. (When the test voltage is less than 8V, please use the independent power supply method)- Display format: less than 10V display such as: 9.99VBelow 100V such as: 99.9VMore than 100V display such as: 199V- Minimum resolution: 0.01V-Start test voltage: 0.05V- Measurement accuracy: 1%3. Current:- Measuring range: 0-10A (Model: PZEM-013)0-300A (Model: PZEM-015)- Display format: less than 1A display as: 999mALess than 10A is displayed as: 9.99aLess than 100A is displayed as: 99.9AGreater than or equal to 100A is displayed as: 199A- Minimum resolution: 1mA-Initial test current: 10mA (Model: PZEM-013)20mA (Model: PZEM-015)- Measurement accuracy: 1%4. Power:- Measuring range: 0-2000W (Model: PZEM-013)0-60000W (Model: PZEM-015).-Display format: less than 10W display as: 9.99WLess than 100W displayed as: 99.9WLess than 1000W displayed as: 999WLess than 10000W display as: 9.99kWGreater than or equal to 10000W displayed as: 19.9kw- Minimum resolution: 0.01W-Initial test power: 0.1W (Model: PZEM-013)0.2W (Model: PZEM-015)- Measurement accuracy: 1%5. Impedance:- Measuring range: 0-1000Ohm- Display format: less than 100Ohm displayed as: 99.9OhmGreater than or equal to 100Ohm displayed as: 999ohmWhen the test range is exceeded or the current is zero, "---" is displayed.- Minimum resolution: 0.1ohm- Measurement accuracy: 1%6. Internal resistance:- Measuring range: 0-999Milliohm-Display format: 999Milliohm When the test range is exceeded or the current is zero, "---" is displayed.- Minimum resolution: 1Milliohm- Measurement accuracy: 1%Note: Before testing the internal resistance, you need to preset the full voltage according to the battery type, and you can test it after it is fully charged; if it is not fully charged, you can set the no-load battery to the full voltage, and then test it; the internal resistance is not a fixed value, the more the battery is discharged, the more The more, the higher the resistance.7. Capacity:- Measuring range: 0-1000Ah- Display format: less than 1AH is: 999mAHLess than 10Ah displayed as: 9.99 AhLess than 100AH ​​is displayed as: 99.9ahLess than 1000AH is displayed as: 999AH- Minimum resolution: 1mAH- Measurement accuracy: 1%8. The discharge energy is represented by the battery symbol, with a total of 10 grids, and each grid represents 10% of the power.9. Energy- Measuring range: 0-9999kWh-Display format: less than 1kWh display as: 999WhLess than 10kWh displayed as: 9.99kwhLess than 100kWh is displayed as: 99.99kwhLess than 1000kWh is displayed as: 999.99kWhGreater than or equal to 1000kWh displayed as: 9999kWhReturn to zero on overflow- Minimum resolution: 1Wh- Measurement accuracy: 1%

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1. Small and easy to carry, it can be used to measure jewelry, leather, metal plate, paper, film, wire and similar materials.2. Accurate measurement and easy operation3. Material: metal4. Color: silver5. Measuring range: 0-10mm6. Measurement accuracy: 0.1mm

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1. Material: ABS2. Power supply: rechargeable lithium battery 2000mAh3. Display mode: LED screen4. Atmospheric pressure: 86Kpa - 106Kpa5. Sampling time: 1.5 seconds6. Detection temperature: -10 to 50 degrees celsius7. Relative humidity: 20 percent to 85 percent8. Storage temperature: -10 degrees celsius to 60 degrees celsius9. 5V DC power supply for charging10. Product size: 270x90x35mm11. Weight: 268 gramsPacking list:- Host x 1- Manual x 1- Charging cable x 1

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1. Material: metal+ABS2. Support history saving3. Support temperature offset4. 4.3 inch LCD screen display, history record preservation5. Temperature unit between celsius and fahrenheit switch6. CO2 Technology: Infrared (NDIR)7. CO2 detection range: 400ppm -5000 ppm8. CO2 alarm value: 1000ppm9. CO2 alarm on/off function (if you don't like the alarm, you can manually set it to turn off)10. Power supply: rechargeable lithium battery 3000mAh11. Can detect CO2 (carbon dioxide), temperature and humidity, with clock and recording functions12. Combining infrared (NDIR) sensor with built-in fan, it can monitor carbon dioxide (CO2), temperature and humidity in real time on its digital LCD display13. Product size: 145x78x97.2mm14. Product net weight: 225 gramsPacking list:- Host x 1- Manual x 1- Charging cable x 1

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1. Base board for Compute Module 4 Lite / eMMC 2. Standard CM4 socket, with multiple peripheral interfaces, suitable for narrow application environment Specifications: 1. CM4 socket: Suitable for all variants of Compute Module 4 2. Connector: Raspberry Pi 40PIN GPIO interface x 1 3. USB: USB 2.0 Type A interface x 1 4. Camera: MIPI CSI-2 port x 1 (15pin 1.0mm FPC connector) 5. Storage: Micro SD card socket for Compute Module 4 Lite (without eMMC) variants 6. Power: 5V 7. Size: 55 x 40mm Package list 1. CM4-NANO-A x1 2. 2 x 20PIN color-coded straight pinheader x 2

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1. Processor: 4 cores 2. System requirements: Android 3. Hard disk capacity: FLASH flash memory 4. Output resolution: 1080P 5. Support memory cards: CF, SD card, MINISD, U disk 6. Interface: HDMI 7. Audio playback format: MP3, WMA, WAV, OGG 8. Support video formats: ASF, AVI, VOB, MPEG, etc. 9. Support 2.4G/5GWiFi 10. Bluetooth connection is simple and fast, supporting external Bluetooth speakers, Bluetooth headsets, mobile TVs, and Bluetooth game controllers. 11. Using the latest Android 10.0 system, which is more stable than the Android 7.1 operating system. 12. Support 4k high definition. 13. Brand new upgrade, new definition, screen mirroring to mobile phone. 14. Load faster. 15. Easy to install and use: All video interfaces are available, easy to install and can be used by new and old TVS. 16. 5G dual-band Wifi: faster. 17. Using 2.4G/5G dual-band, it has strong wall-mounting capability, wider coverage and faster loading speed. 18. Support Chinese (Simplified), Chinese (Traditional), English, German, Greek, Spanish, Dutch, Vietnamese, Portuguese, Thai, French, Korean, Japanese, Arabic, Turkish 19. Packaging: Power supply x1 HDMI compatible cable x1 TV box x1 Remote control x1

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1. Made of high quality ABS composite material ,durable and practical to use2. Easy to install and just fix it in a few minutes, and save your time and money.3. Delicate and exquisite, highly matching the equipment.4. As a part of normal maintenance, it can be easily removed and replaced5. Solid and durable, long service life.Note: Dear buyer, please check your machine model carefully before purchasing the product. Unable to determine the model, please consult customer service!

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1. Flannel + lambskin fabric is double warm. It is also very warm when unplugged2. Hidden zipper is practical and beautiful3. Power: 10W4. Temperature range: 40-55 degrees Celsius5. Size: 27.5 x 32 x 8cm6. Weight: 330g7. USB cable length: 1.2 meters

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1. 12V power supply, power failure memory2. With bluetooth call and recording function, bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk, support SD interface5. Support FM radio, frequency band (87.5MHZ-108.0MHZ)6. External audio input LINE IN 7. Support 10m distance infrared remote control operation8. Pushbuttons: six buttons for multi-directional control, REC / REPEAT / VOL- / AUTO / VOL+ / MODE9. Large remote control uses 2 x 7 batteries (not included), small remote control uses button batteries10. Dimensions: length 112 x width 62 mmKey operation details.1. REC: Press the REC button to start recording, press the REC button again to cancel the recording function and play the recording file; when recording than a storage device needs to be connected, e.g. U disk or TF card2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence3. FD-: switch to the previous folder, long press to fast back4. FD+: switch to the next folder, long press to fast forward5. AUTO button (play/pause): short press for play/pause in MP3; short press for play/pause in FM, long press for auto receive and save station; short press for play/pause in Bluetooth6. MODE button: switch between USB / SD card / FM / Audio input / Bluetooth function in sequence

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1. Suitable for Dyson vacuum cleaner direct drive suction head accessories2. Easy to install and disassemble, highly matched with the equipment3. It is recommended to replace the spare parts every 2 to 3 months, depending on the frequency of use, in order to maintain the best performance of the machine4. Dimensions:- Motor bearings: 10 x 5.5cm5. Weight:-V6/V7 motor bearing: 58g-V8/V10 motor bearing: 61g-V6/V7 crosshead motor: 189g-V6/V7 triangular head motor: 165g-V8/V10 crosshead motor: 199g-V8/V10 triangle head motor: 168g

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1. Compatible models: suitable for Dyson hair dryer HD08, HD01, HD02, HD03, HD04, HD08, HD152. It has two modes of smooth hair and anti-flyaway hair, which can quickly dry hair and smooth frizz at the same time, creating a glossy look3. The airflow penetrates deep into the comb teeth, detangling and smoothing the hair for easy daily styling4. Material: ABS5. Size: 13 x 10.8cm6. Weight: about 117 grams7. Note: The product is only the air nozzle, not including the hair dryer

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Features1. Wireless pickup microphone 2.4G: wireless connection, can provide up to 48K high-fidelity recording 2. Low latency: no sense of delay recording 3. ENC is enabled by default: Excellent noise reduction performance, easy to record in noisy environments without noise interference 4. BT mode: In BT mode, it can be used for karaoke, adding background sound during recording, etc. 5. Dodging function: When connected to BT to play music, turning on the function recording can automatically suppress background Bluetooth music 6. Reverb function: Turn on the reverb to make the sound more infectious 7. Battery life: 300mAh high-capacity battery, continuous recording for 12 hours at a time.Specifications1. Product Type: Lavalier Wireless Microphone 2. Channel system: One Microphone one Receiver 3. Control method: Button 4. Active and passive: Active 5. 2.4G solution: JieLi AD6976M4 6. Working system: GFSK 7. Working frequency: 2.4G-2.4835GHZ 8. Radio sensitivity: -38db Effective distance: Greater than or equal to 10 meters 9. Transmitter shutdown power consumption: 2ua 10. Transmitter power consumption (video mode): 25ma 11. Transmitter power consumption (Bluetooth mode): 30-40ma 12. Receiver power consumption: 16ma 13. Receiver charging current for mobile phone: 1000ma 14. Microphone signal-to-noise ratio: Greater than or equal to 65db 15. Frequency response: 20Hz-20KHz 16. Monitoring: One-way monitoring 17. Microphone: Electret 18. Battery: 300mAh 19. Talk time: More than 10 hours 20. Standby time: (off state): 6 months 21. Charging input standard: DC-5V/MAX 200+/-10mA 22. Charging time: 1.5-2 hours

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Features:1. WAVE ROVER is a four-wheel-drive mobile robot chassis with an all-metal body. It has strong off-road traversing capabilities and shock absorption performance. All codes are open source and can be developed again.2. Supports multiple hosts (Raspberry Pi, Jetson Nano, Jetson Orin Nano, etc.). The host can communicate with the ESP32 slave through the serial port.3. Equipped with four N20 reduction motors and high-quality gearboxes, the mobile robot can travel at high speeds and has strong power.4. Built-in 3S UPS power module, supports 3 18650 lithium batteries (series connection, not included), provides uninterrupted power supply for the robot, and supports charging and power output at the same time.5. Built-in multi-functional robot driver board, based on ESP32, with onboard WIFI and Bluetooth, used to drive serial bus servos, output PWM signals, expand TF card slots, etc.6. WAVE ROVER uses flexible rubber tires, which greatly reduces the impact of complex terrain and easily meets the needs of high-speed driving, shock absorption, and off-roading.7. Comes with a mounting plate that can be used to install hosts (Raspberry Pi 4B, Jetson Nano, Jetson Orin Nano, etc.), LD19/STL-27L lidar, and gimbal cameras, providing more possibilities for secondary development.Product parameters:1. Tire material: nylon wheels, rubber tires2. Body material: 5052 aluminum alloy (2mm thick)3. OLED screen: 0.91 inches4. Chassis height: 33.70mm5. Tire diameter: 80mm6. Tire width: 42.50mm7. Motor: N20 12V 200RPM x 48. Number of driving wheels: 49. Running speed: 1.25m/s10. Vertical obstacle surmounting ability: 40mm11. Drive payload: 0.8kg12. Climbing ability: 22 degrees13. Minimum turning radius: 0m (rotating in place)14. Motor power: 1.5W x 415. Remote control function: WIFI AP/STA16. Upper surface area: 17551 square millimeters17. Communication interface: UART/serial bus servo interface/I2C18. Battery support: 18650 lithium battery × 3 (delivered without battery)19. Overall dimensions: 194×168×100mm20. Weight: 860g

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1. Two ratios, 16:9 rectangular ratio, suitable for home theater, KTV, entertainment, etc.; 4:3 partial square ratio, suitable for conferences, PPT playback, education and training, etc.2. Support 4K high-definition picture quality, the picture is delicate and the color is gorgeous3. Simple and portable, foldable, easy to store and carry4. The crease can be flattened with an iron, and the dust can be wiped off with a wet towel for easy cleaning5. The perforated version with black edge has hooks, which can be installed by ropes, hooks, nails, tapes, etc., and the non-hole version has sticky strips for easy installation6. The dark side is the viewing side, and the light side is the back7. Ratio: 16:9/4:38. Material: polyester with metal coating on the surface9. Specifications: 60/72/84/92/100/110/120/130/133 inch

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1. Design with good heat dissipation, do not have to install the cooling fan or heatsink. 2. This case is constructed out of high quality aluminum material. 3. Suitable for Raspberry Pi 4 only 4. Access to all ports of Raspberry Pi 4 5. Cable interface is reserved, support to install cable. Note: Please insert the Micro SD card to Raspberry Pi before installing the case.

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1. High-performance image reading, can quickly read 2D barcodes on paper, commodities, screens and other media, with powerful reading performance2. Automatic scanning, express reading, support screen scanning3. Using self-developed core decoding technology, 32-bit high-performance decoding chip, faster scanning speed and more stable transmission4. High-precision scanning head, 300,000 pixels high-speed barcode reading5. Easy scan code confirmation in noisy environment to prevent missed scans6. The fuselage is designed with ABS material and TPU soft rubber, which is resistant to dirt and wear, shock and drop7. Easy to use, plug and play, compatible with various systems8. Working current: 160mA9. Resolution: 4mil10. Processor: ARM32-bit11. Movement tolerance: 25cm/s12. Wire: 1.5m13. Resolution: 640 x 480 CMOS14. Scanning method: manual reading, induction reading15. Reading depth of field: 10-280mm16. Prompt mode: buzzer, LED indicator17. Storage temperature: -40 to 60 degrees Celsius18. Operating temperature: -20 to 50 degrees Celsius19. Interface: USB20. Product list: scanner, operation manual, packing box21. Scope of application: supermarkets, clothing, pharmacies, hospitals, libraries, express logistics, tobacco and other fields22. Size: 15x7x9.5cm23. Weight: 160g

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1. Silicone handle cover specially designed for Pico Neo3 controller2. Use soft silica gel material to prevent foreign bodies from hitting or scratching the controller3. Fashion and beautiful appearance, comfortable feel4. Easy to disassemble and install dimensions :19 * 10 * 9.5cm5. 120 g in weight6. Shipping List: Silicone sleeve *2 hand rope *2 rocker cap *2

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1. PF8 is a noise reduction cylinder designed and processed by noise reduction sponge. The noise reduction sponge absorbs and reflects the surrounding noise, which can isolate your microphone in a quiet recording space.2. Not only can reduce the reflection of indoor recording sound, but also effectively reduce the interference of outdoor wind and environmental noise to human voice recording3. Five-sided sealing design, effectively reduce noise in different directions4. Good noise reduction, light weight, can be easily installed on different desktop small tripods, floor stands, and cantilever brackets5. Mountable microphone shell diameter: 45mm-60mm/1.77-2.36 inches6. Product size: 200 x 180 x 130mm7. Net weight: 150 grams8. Note: The product only includes the windscreen, not the microphone and stand

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1. Material: aluminum alloy2. Working pressure: 2803. Medium: synchronous wheel4. Scope of application: 3D printer5. Features: aluminum alloy material, durable, not easy to rust, easy to install, stable transmission6. Number of teeth: 16/20 teeth7. Height: about 16mm

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1. Every family should have some at home. 2. Lightweight, easy to carry. 3. UK plug adapter, safety to use. 4. Convenient for travel and daily use. 5. Available for below plugs: US, EU plug.

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1. Zinc alloy keel, grip, stability and enhancement. 2. Bluetooth remote control, independent remote control, can be used after removal. 3. Stainless steel material, long service life. 4. Anti-slip pad for mobile phone holder, more stable shooting, anti-scratch and anti-drop. 5. 1020mm super long stretch, wide-angle shooting. 6. 360-degree universal adjustment, horizontal and vertical shooting, to meet different needs.

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1. Dual decoding supports music in MP3/WMA/WAV/FLAC/APE lossless decoding format2. Support bluetooth call function, power off memory function3. Support MMC/SD/MMA and other cards, support USB interface (U disk)4. Support external audio source input LINE IN5. Support radio FM, search frequency band (87.5MHZ-108.0MHZ)6. Mobile phone Bluetooth connection matching fast, low-power decoding scheme7. Application areas: speakers, tricycles, vans, buses, trolley speakers, power amplifiers, etc.8. Bluetooth transmission distance: within 20 meters9. Radio channel: 87.5Mhz-108Mhz10. Voltage input: DC 5V11. Amplifier: 2 x 3W12. Function: Bluetooth 5.0+lossless decoding+call+radio FM+AUX+USB+TF card13. Speaker: 4 ohms, 3W14. Buttons: three-button control, VOL-/AUTO/VOL+15. Dimensions: 71 x 22mm

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1. Rated voltage: 250V~ 2. Rated current: 10A/16A 3. Light weight, easy to carry and daily use. 4. Made of durable PC, making the product more sturdy and flame retardant. 5. Scope of application: suitable for all kinds of mobile phones, tablet computers, digital cameras, notebook computers, home desktop computers, and other digital products. 6. There is a dust cap in the jack to effectively protect the internal circuit and prolong the service life.

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1. Rated voltage: 250V~ 2. Rated current: 13A 3. Light weight, easy to carry and daily use. 4. Made of durable PC, making the product more sturdy and flame retardant. 5. Scope of application: suitable for all kinds of mobile phones, tablet computers, digital cameras, notebook computers, home desktop computers, and other digital products. 6. There is a dust cap in the jack to effectively protect the internal circuit and prolong the service life.

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1. Processor: 4 cores 2. System requirements: Android 3. Hard disk capacity: FLASH flash memory 4. Output resolution: 1080P 5. Support memory cards: CF, SD card, MINISD, U disk 6. Interface: HDMI 7. Audio playback format: MP3, WMA, WAV, OGG 8. Support video formats: ASF, AVI, VOB, MPEG, etc. 9. Support 2.4G/5GWiFi 10. Bluetooth connection is simple and fast, supporting external Bluetooth speakers, Bluetooth headsets, mobile TVs, and Bluetooth game controllers. 11. Using the latest Android 10.0 system, which is more stable than the Android 7.1 operating system. 12. Support 4k high definition. 13. Brand new upgrade, new definition, screen mirroring to mobile phone. 14. Load faster. 15. Easy to install and use: All video interfaces are available, easy to install and can be used by new and old TVS. 16. 5G dual-band Wifi: faster. 17. Using 2.4G/5G dual-band, it has strong wall-mounting capability, wider coverage and faster loading speed. 18. Support Chinese (Simplified), Chinese (Traditional), English, German, Greek, Spanish, Dutch, Vietnamese, Portuguese, Thai, French, Korean, Japanese, Arabic, Turkish 19. Packaging: Power supply x1 HDMI compatible cable x1 TV box x1 Remote control x1

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1. Block dust and reduce dust damage to sensitive parts of the machine2. Filter the tiny dust and bacteria generated in the cleaning process to reduce secondary pollution to the air3. The effective particle filtering effect of the Hypa filter can filter particles such as cigarette smoke particles, pollen, dust and other particles4. Applicable model: for Holmes Aer1 HAPF30AT5. Specifications: 1x filter + 1x filter cotton6. Function: auxiliary filter7. Carbon cotton size: 245x106x3mm8. Filter size: 255x125x35mm9. Weight: about 10g of carbon cotton

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1. Strips is made of premium fluff material for durable and practical use.2. Strips for Dyson V7 V8 V10 V11 vacuum cleaner soft roller head.3. Delicate and exquisite, highly match the original equipment.4. As part of standard maintenance, it can be easily accessed and replaced.5. It is recommended to replace the spare parts every 2 to 3 months, depending on the frequency of use, so as to maintain the best performance of the machine.6. Strip Length: 23cm, 11.5cm, 11.5cm

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1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. 1-Ch CAN, adopts MCP2515 controller and CAN transceiver, converts SPI to CAN3. 2-Ch RS485, adopts SC16IS752+SP3485 dual-chip combination, converts SPI to RS4854. Onboard power conversion circuit, supports 8~28V wide voltage power supply, can power the Raspberry Pi at the same time5. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal6. Onboard unibody digital isolation, for isolating the signal, reliable and jamproof, low power consumption7. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic8. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance9. Onboard 120Ω terminal resistor, configured by jumper10. Onboard terminals and pin headers, more convenient connection11. Breakout SPI control pins, for connecting with host control boards

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1. Based on Qualcomm platform, support 5G NSA and SA networking, support multi-mode & multi-band2. Multi-constellation dual-band positioning: GPS, Beidou, Glonass, Galileo, and QZSS3. Operating system support: Windows/Linux/Android4. USB 3.1 port (USB 2.0 compatible) for connecting to PC, Raspberry Pi, or Jetson Nano host board to enable high speed 5G communication5. Standard M.2 B KEY slot, compatible with different 5G modules: SIM8202X-M2 / SIM8200EA-M2 / SIM8262X-M2 series6. Onboard UART, PWR, and RST control pin, built-in voltage level translator, enabled via DIP switch, for use with hosts like Raspberry Pi or Arduino7. Onboard USB-C connector, enabled via switch, for connecting standalone power supply for the module, allows more loads, stable amd flexible power supply8. Onboard power supply on/off switch, reset button and LED indicator, easy to turn on/off the module or monitor the operating status9. 4x SMA to IPEX antenna connectors, with pre-soldered SMA terminals for connecting antennas10. 2x SIM card slot, dual card single standby, switchable via AT command11. Onboard audio jack and audio decoder, allows audio operation like making phone call12. High efficiency power supply circuit, up to 3A output current

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