Consumer Electronics

1. Material: ABS, electronic components2. Application: salinity/PH/TDS/EC/ORP/SG/temperature detection3. Waterproof grade: IP674. Built-in battery: LR44 x 3 (shipped without battery)5. Using highly sensitive glass electrodes, the detection speed is fast and the precision is high6. LCD high-definition display, easy to observe the test results7. Dimensions: 18.3 x 3.7 cm

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1. Memory card type: TF card2. Expansion card: support (up to 256G)3. Operation mode: touch4. Charging port: Type-C5. Headphone jack: 3.5mm6. Supported audio formats: MP3/WMA/WAV/OGG/FLAC/PCM/AAC/APE7. Screen resolution: 1080x5408. Frequency response range: 20HZ-20kHZ9. Battery capacity: 1500mAh10. Battery life: about 10h11. Language: Chinese, English12. Functions: game console, support for bluetooth, picture browsing, FM radio, digital photo frame, support for WIFI Internet access, intelligent operating system, novel/video/music download, recording, audio playback, etc.13. Screen size: 4.0 inch14. Size: about 10.7 x 6.05 x 1cm15. Weight: about 117gFeatures:1. Quad-core processor, high-performance processing chip2. Lightweight body, easy to carry3. IPS high-definition touch screen, clear picture quality, protect eyesight4. Bluetooth 5.0 chip, two-way compatible devices, fast pairing5. Can be connected to WIFI, network listening to songs/reading books/watching videos/downloading, etc.6. Type-C charging port, easy to usePacking list:- Host x1- Box x1- Headphone x1- Charging cable x1- Manual x1

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1. Memory card type: TF card2. Expansion card: support (up to 256G)3. Operation mode: touch4. Charging port: Type-C5. Headphone jack: 3.5mm6. Supported audio formats: MP3/WMA/WAV/OGG/FLAC/PCM/AAC/APE7. Screen resolution: 1080x5408. Frequency response range: 20HZ-20kHZ9. Battery capacity: 1500mAh10. Battery life: about 10h11. Language: Chinese, English, French, Russian, Japanese, German12. Functions: game console, support for bluetooth, picture browsing, FM radio, digital photo frame, support for WIFI Internet access, intelligent operating system, novel/video/music download, recording, audio playback, etc.13. Screen size: 4.0 inch14. Size: about 10.7 x 6.05 x 1cm15. Weight: about 117gFeatures:1. Quad-core processor, high-performance processing chip2. Lightweight body, easy to carry3. IPS high-definition touch screen, clear picture quality, protect eyesight4. Bluetooth 5.0 chip, two-way compatible devices, fast pairing5. Can be connected to WIFI, network listening to songs/reading books/watching videos/downloading, etc.6. Type-C charging port, easy to usePacking list:- Host x1- Box x1- Headphone x1- Charging cable x1- Manual x1

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1. Memory card type: TF card2. Expansion card: support (up to 256G)3. Operation mode: touch4. Charging port: Type-C5. Headphone jack: 3.5mm6. Supported audio formats: MP3/WMA/WAV/OGG/FLAC/PCM/AAC/APE7. Screen resolution: 1080x5408. Frequency response range: 20HZ-20kHZ9. Battery capacity: 1500mAh10. Battery life: about 10h11. Language: Chinese, English, French, Russian, Japanese, German12. Functions: game console, support for bluetooth, picture browsing, FM radio, digital photo frame, support for WIFI Internet access, intelligent operating system, novel/video/music download, recording, audio playback, etc.13. Screen size: 4.0 inch14. Size: about 10.7 x 6.05 x 1cm15. Weight: about 117gFeatures:1. Quad-core processor, high-performance processing chip2. Lightweight body, easy to carry3. IPS high-definition touch screen, clear picture quality, protect eyesight4. Bluetooth 5.0 chip, two-way compatible devices, fast pairing5. Can be connected to WIFI, network listening to songs/reading books/watching videos/downloading, etc.6. Type-C charging port, easy to usePacking list:- Host x1- Box x1- Headphone x1- Charging cable x1- Manual x1

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1. Memory card type: TF card2. Expansion card: support (up to 256G)3. Operation mode: touch4. Charging port: Type-C5. Headphone jack: 3.5mm6. Supported audio formats: MP3/WMA/WAV/OGG/FLAC/PCM/AAC/APE7. Screen resolution: 1080x5408. Frequency response range: 20HZ-20kHZ9. Battery capacity: 1500mAh10. Battery life: about 10h11. Language: Chinese, English, French, Russian, Japanese, German12. Functions: game console, support for bluetooth, picture browsing, FM radio, digital photo frame, support for WIFI Internet access, intelligent operating system, novel/video/music download, recording, audio playback, etc.13. Screen size: 4.0 inch14. Size: about 10.7 x 6.05 x 1cm15. Weight: about 117gFeatures:1. Quad-core processor, high-performance processing chip2. Lightweight body, easy to carry3. IPS high-definition touch screen, clear picture quality, protect eyesight4. Bluetooth 5.0 chip, two-way compatible devices, fast pairing5. Can be connected to WIFI, network listening to songs/reading books/watching videos/downloading, etc.6. Type-C charging port, easy to usePacking list:- Host x1- Box x1- Headphone x1- Charging cable x1- Manual x1

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1. Memory card type: TF card2. Expansion card: support (up to 256G)3. Operation mode: touch4. Charging port: Type-C5. Headphone jack: 3.5mm6. Supported audio formats: MP3/WMA/WAV/OGG/FLAC/PCM/AAC/APE7. Screen resolution: 1080x5408. Frequency response range: 20HZ-20kHZ9. Battery capacity: 1500mAh10. Battery life: about 10h11. Language: Chinese, English, French, Russian, Japanese, German12. Functions: game console, support for bluetooth, picture browsing, FM radio, digital photo frame, support for WIFI Internet access, intelligent operating system, novel/video/music download, recording, audio playback, etc.13. Screen size: 4.0 inch14. Size: about 10.7 x 6.05 x 1cm15. Weight: about 117gFeatures:1. Quad-core processor, high-performance processing chip2. Lightweight body, easy to carry3. IPS high-definition touch screen, clear picture quality, protect eyesight4. Bluetooth 5.0 chip, two-way compatible devices, fast pairing5. Can be connected to WIFI, network listening to songs/reading books/watching videos/downloading, etc.6. Type-C charging port, easy to usePacking list:- Host x1- Box x1- Headphone x1- Charging cable x1- Manual x1

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1. Support scanning 1D/2D barcode, compatible with multiple systems2. Support multiple national keyboards, English, French, Spanish, Canadian, German, Italian, etc.3. CCD image type, accurate reading and fast response; direct acquisition of barcode information4. Two upload modes: storage mode, instant upload5. Scope of application: mobile phone computer screen, sub-silver paper, barcode under water, barcode with reflective material, ordinary environment6. Resolution: 4mil7. Interface type: USB interface8. Rated current: 330MA9. Reading distance: less than 15cm10. Rated power: 1.33w11. Scan rate: 200/S12. Wire: 1.5m13. Resolution: 752 x 48014. Light source: 265lux (130nm)15. Light source type: LED (650nm)16. Voltage: 3.3-5v17. Shell material: ABS+PC18. Support system: for Mac Os/Linux/Windows XP/7/8/10 etc.19. Prompt mode: buzzer, LED indicator20. Protection class: IP5421. Operating temperature: 0 to 50 degrees Celsius22. Storage temperature: -40 to 60 degrees Celsius23. Electrostatic protection: 8 kV (contact discharge), 15 kV (air discharge)24. Dimensions: 160x66x90mm25. Weight: 128g

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1. Support scanning 1D/2D barcode, compatible with multiple systems2. Support multiple national keyboards, English, French, Spanish, Canadian, German, Italian, etc.3. CCD image type, accurate reading and fast response; direct acquisition of barcode information4. Two upload modes: storage mode, instant upload5. Scope of application: mobile phone computer screen, sub-silver paper, barcode under water, barcode with reflective material, ordinary environment6. Resolution: 4mil7. Interface type: USB interface8. Rated current: 330MA9. Reading distance: less than 15cm10. Rated power: 1.33w11. Scan rate: 200/S12. Wire: 1.5m13. Resolution: 752 x 48014. Light source: 265lux (130nm)15. Light source type: LED (650nm)16. Voltage: 3.3-5v17. Shell material: ABS+PC18. Support system: for Mac Os/Linux/Windows XP/7/8/10 etc.19. Prompt mode: buzzer, LED indicator20. Protection class: IP5421. Operating temperature: 0 to 50 degrees Celsius22. Storage temperature: -40 to 60 degrees Celsius23. Electrostatic protection: 8 kV (contact discharge), 15 kV (air discharge)24. Dimensions: 160x66x90mm25. Weight: 128g

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1. Use: watch repair, arts and crafts work2. Magnifying glasses with metal clips that can be mounted on right or left glasses.3. Lightweight and durable aluminum body fits the eyes easily4. Material: aluminum alloy5. Lens diameter: 25mm6. Weight: 22g7. Magnification: 5x/10x/20x8. Color: Black+Blue

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1. Interface compatible: RS-485, RS-232 standard2. Material: ABS3. Working mode: asynchronous half-duplex differential transmission4. Protection level: 600W lightning surge protection per line of RS-485 interface5. Transmission medium: twisted pair or shielded wire6. Transmission distance: RS-485 is less than 1200m, RS-232 is within 15m7. Transmission rate: 300-115.2kbps8. Communication mode: point-to-point/two-wire half-duplex, point-to-multipoint/two-wire half-duplex9. Scope of application: suitable for PC, terminal equipment, industrial control, digital instrument acquisition, multi-serial port equipment, serial interface of single-chip microcomputer, etc.10. Dimensions: about 51.8 x 17.8 x 35.7mm11. Weight: about 40gFeatures:1. 9-hole nickel-plated female head, wear-resistant and durable, anti-oxidation and anti-corrosion2. Twisted pair/shielded wire can be used to improve signal conversion and transmission anti-interference3. ABS material, lightning protection design4. Built-in zero-delay automatic transceiver conversion device, which automatically controls the direction of data flow through the I/O circuit5. Built-in fast voltage suppression protector TVS, non-optical isolation6. Bidirectional transmission, compatible with RS-485, RS-232 standard interfaces7. Two communication methods, stable transmission, convenient and fast

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1. Use: watch repair, arts and crafts work2. Magnifying glasses with metal clips that can be mounted on right or left glasses.3. Lightweight and durable aluminum body fits the eyes easily4. Material: aluminum alloy5. Lens diameter: 25mm6. Weight: 22g7. Magnification: 5x/10x/20x8. Color: Black+Blue

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1. Use: watch repair, arts and crafts work2. Magnifying glasses with metal clips that can be mounted on right or left glasses.3. Lightweight and durable aluminum body fits the eyes easily4. Material: aluminum alloy5. Lens diameter: 25mm6. Weight: 22g7. Magnification: 5x/10x/20x8. Color: Black+Blue

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1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop2. High-quality all-copper DC plug, long life3. 3.5mm audio output, connected to active power box4. Free large area heat sink5. Number of channels: left and right dual channel (stereo)6. Protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheat protection7. Purpose: Bluetooth speaker amplifier motherboard8. Bluetooth version: 5.09. Adapter speaker: 20-300W 4 ohm 8 ohm10. Transmission distance: 15 meters (without blocking)11. Supply voltage: DC 5-26V12. Dimensions: 53x18x58mm13. Weight: about 70g

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1. Material: plastic, electronic components2. Applicable scenarios: broadcasting, interview recording, speech, online teaching3. Frequency response: 50Hz-20KHz4. Dynamic range: 117dB5. Signal to noise ratio: 75dB6. Audio cable length: 8 meters / 26.2 feet7. Output connector: 3.5mm class 4 metal plug8. Battery: LR44 button battery x 1 (delivery with battery)9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports10. Contains cotton windscreen to reduce background noise11. Upgrade the noise processing circuit to provide complete and clear sound when recording12. Support 360-degree omnidirectional pickup

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1. Flat head to measure soft flat plate, such as paper, wood board, jewelry, etc.2. Measuring the wall thickness of hollow tubes and round tubes with a curved tip3. The pointed tip measures hard plates, such as steel plates, iron plates, etc.4. The scale is clear and the reading is intuitive5. Measuring range: 0-10mm, 0-20mm, 0-30mm6. Measurement accuracy: 0.1mm7. Display mode: pointer8. Material: alloy

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1. Flat head to measure soft flat plate, such as paper, wood board, jewelry, etc.2. Measuring the wall thickness of hollow tubes and round tubes with a curved tip3. The pointed tip measures hard plates, such as steel plates, iron plates, etc.4. The scale is clear and the reading is intuitive5. Measuring range: 0-10mm, 0-20mm, 0-30mm6. Measurement accuracy: 0.1mm7. Display mode: pointer8. Material: alloy

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1. Material: plastic, electronic components2. Applicable scenarios: broadcasting, interview recording, speech, online teaching3. Frequency response: 50Hz-20KHz4. Dynamic range: 117dB5. Signal to noise ratio: 75dB6. Audio cable length: 8 meters / 26.2 feet7. Output connector: 3.5mm class 4 metal plug8. Battery: LR44 button battery x 1 (delivery with battery)9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports10. Contains cotton windscreen to reduce background noise11. Upgrade the noise processing circuit to provide complete and clear sound when recording12. Support 360-degree omnidirectional pickup

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1. With this universal infrared remote control, you can control the air conditioner with your smartphone, easy to use 2. Real-time display of ambient temperature, humidity and air conditioning status at a glance 3. Functions: local offline control, child lock, APP remote control, set scheduled tasks, filter cleaning tips, address fence, voice control, etc. 4. Power supply: DC 5V / 1A 5. Power interface: Type-C USB 6. DC 5V wiring for power supply 7. Wi-Fi type: 2.4GHz 8. Wi-Fi standard: IEEE 802.11b/g/n 9. Wireless range: 45m 10. Display screen: LCD 11. Working current: 550mA 12. Standby current: 25mA 13. Temperature control range: 16 to 30 degrees Celsius 14. Temperature detection range: -10 to 60 degrees Celsius 15. Operating temperature: -10 to 60 degrees Celsius 16. Working humidity: 0-90%RH (non-condensing) 17. Humidity detection range: 0-90% (no condensation) 18. Detection accuracy: temperature 0.3 degrees Celsius; humidity 5%RH 19. Bluetooth version: Bluetooth 5.0 20. Remote control distance: 7M 21. LCD lighting time: 60s 22. Dimensions: 88x88x16mm

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1. Flat head to measure soft flat plate, such as paper, wood board, jewelry, etc.2. Measuring the wall thickness of hollow tubes and round tubes with a curved tip3. The pointed tip measures hard plates, such as steel plates, iron plates, etc.4. The scale is clear and the reading is intuitive5. Measuring range: 0-10mm, 0-20mm, 0-30mm6. Measurement accuracy: 0.1mm7. Display mode: pointer8. Material: alloy

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1. Flat head to measure soft flat plate, such as paper, wood board, jewelry, etc.2. Measuring the wall thickness of hollow tubes and round tubes with a curved tip3. The pointed tip measures hard plates, such as steel plates, iron plates, etc.4. The scale is clear and the reading is intuitive5. Measuring range: 0-10mm, 0-20mm, 0-30mm6. Measurement accuracy: 0.1mm7. Display mode: pointer8. Material: alloy

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1. Material: plastic, electronic components2. Applicable scenarios: broadcasting, interview recording, speech, online teaching3. Frequency response: 50Hz-20KHz4. Dynamic range: 117dB5. Signal to noise ratio: 75dB6. Audio cable length: 8 meters / 26.2 feet7. Output connector: 3.5mm class 4 metal plug8. Battery: LR44 button battery x 1 (delivery with battery)9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports10. Contains cotton windscreen to reduce background noise11. Upgrade the noise processing circuit to provide complete and clear sound when recording12. Support 360-degree omnidirectional pickup

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1. Bluetooth 5.0, high transmission efficiency and long transmission distance2. Large volume black gold heat sink to ensure efficient heat dissipation3. Potentiometer to adjust the volume, with switch, easy to control the volume, very suitable for DIY speakers, if it is a metal box, you need to lead out the Bluetooth antenna4. The copper DC connector is used, which can withstand large current and does not generate heat.5. 4 green gold capacitors to ensure power storage capacity, continuous and stable power supply is the premise of good sound quality6. Comes with a DC head with cable, which can be compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, you can also connect easily7. The grid terminal is convenient for wiring, and the adjacent wires are not easy to be short-circuited8. Protection mechanism: self-recovery short circuit protection, self-recovery overheat protection9. Adapter speaker: 50-300W 4 to 8 ohms10. Transmission distance: 15 meters (without blocking)11. Power supply voltage: DC 5-24V power supply12. Rated power: 100w13. Number of channels: left and right dual channel (stereo)14. Precautions for use: The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or not use it for a long time, you can unplug the DC plug on the machine.15. Dimensions: 69 x 53 x 22mm16. Weight: about 124g

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1. Material: plastic, electronic components2. Applicable scenarios: broadcasting, interview recording, speech, online teaching3. Frequency response: 50Hz-20KHz4. Dynamic range: 117dB5. Signal to noise ratio: 75dB6. Audio cable length: 8 meters / 26.2 feet7. Output connector: 3.5mm class 4 metal plug8. Battery: LR44 button battery x 1 (delivery with battery)9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports10. Contains cotton windscreen to reduce background noise11. Upgrade the noise processing circuit to provide complete and clear sound when recording12. Support 360-degree omnidirectional pickup

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1. Material: plastic, electronic components2. Applicable scene: household, computer, special recording, musical instrument3. Sensor: Capacitor4. Directivity: Cardioid5. Frequency response: 100Hz-20KHz6. Signal-to-noise ratio: greater than 60dB7. Connector: 3.5mm TRS/3.5mm TRRS8. Power supply: plug-in power supply9. Intelligent noise reduction system, restore the original sound10. Strengthen the recording of cardioid pointing, effectively identify the original sound of human voice in a large range of 0.5-3 meters11. High-buffering physical shock-absorbing bracket to reduce noise in vibration and maintain stable recording12. High-sensitivity wheat head, sharp pickup, restore the original sound13. High-density windproof cover to reduce noise14. Dimensions: 21.5 x 72mm15. Net weight: 35 grams

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1. Material: metal, plastic, electronic components2. Applicable scene: household, computer, special recording, musical instrument3. Sensor: Electret capacitor4. Directivity: Cardioid5. Frequency response: 20Hz-20KHz6. Signal-to-noise ratio: greater than 82dB7. Output connector: USB8. Power supply: USB DC 5.0V9. Power consumption: 5V 125mA10. Equipped with USB cable and 1.5m OTG cable, easy to connect various devices11. Adopt 3.5mm headphone output to realize real-time audio monitoring, which is convenient for monitoring the recording status12. Fast gain adjustment to achieve the desired sound effect13. Cardioid pickup mode, focus on pickup in front of the microphone, isolate background noise14. Built-in DSP chip, anti-interference metal shell15. Dimensions: 51 x 51 x 185mm16. Weight: 368 grams

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1. Material: plastic, electronic components2. Applicable scene: household, computer, special recording, musical instrument3. Sensor: Capacitor4. Directivity: Cardioid5. Frequency response: 100Hz-20KHz6. Signal-to-noise ratio: greater than 60dB7. Connector: 3.5mm TRS/3.5mm TRRS8. Power supply: plug-in power supply9. Intelligent noise reduction system, restore the original sound10. Strengthen the recording of cardioid pointing, effectively identify the original sound of human voice in a large range of 0.5-3 meters11. High-buffering physical shock-absorbing bracket to reduce noise in vibration and maintain stable recording12. High-sensitivity wheat head, sharp pickup, restore the original sound13. High-density windproof cover to reduce noise14. Dimensions: 21.5 x 72mm15. Net weight: 35 grams

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1. Real-time monitoring, smart chip, precision fine-tuning, reverse connection protection2. Pluggable power connector, RW1 adjustable potentiometer3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Power display, voltage display, power display, temperature display8. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61x33x14.5mm16. Weight: about 21g

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. Real-time monitoring, smart chip, precision fine-tuning, reverse connection protection2. Pluggable power connector, RW1 adjustable potentiometer3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Power display, voltage display, power display, temperature display8. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61x33x14.5mm16. Weight: about 21g

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Real-time monitoring, smart chip, precision fine-tuning, reverse connection protection2. Pluggable power connector, RW1 adjustable potentiometer3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Power display, voltage display, power display, temperature display8. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61x33x14.5mm16. Weight: about 21g

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. A magnet (not included) can be placed to use as a message board4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2025 button battery (not included)8. Size: 8.5-inch model about 22.7 x 14.6 x 0.5cm, 10-inch model about 26.5 x 16.9 x 0.55cm, 12-inch model about 28.2 x 18.5 x 0.55cm9. Weight: about 116 grams for the 8.5-inch model, about 156 grams for the 10-inch model, and about 170 grams for the 12-inch model

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1. Adopt high-definition LCD screen design to provide clear and bright display from all angles.2. Monitor battery capacity and voltage with this mini tester.3. Blue backlight, easy to read value in dark environment.4. Widely used in cars, motorcycles, scooters, bicycles, power banks, testing equipment, etc.5. Check the remaining capacity of the battery, and directly display the battery capacity symbol and percentage.6. The instrument has the characteristics of accurate and stable, small size and easy to carry.7. Material: ABS8. Voltage measurement range: DC8V-100V9. Working current: less than 15MA10. Measurement accuracy: +/-1%11. Display: LCD screen12. Measuring speed: about 2 times per second.13. Size: about 6.5x3.5x1.5cm / 2.6x1.4x0.6in14. Installation size: about 58 x 28mm / 2.3x1.1in15. Lead Length: 20cm / 7.9in

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1. Can be written repeatedly, recycled, green and energy-saving2. Flexible LCD, no blue light, no eye damage3. Display handwriting on the screen through pressure sensing4. One-click removal, leaving no traces5. With anti-erasure lock key, you can lock the screen6. Highly sensitive sensor brush, light and portable7. Power supply: a CR2032 button battery (not included)8. Size: about 25.2 x 17.6 x 0.7cm9. Weight: about 262 grams

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1. 4K camera for microscope2. Sensor: 1/2.8 CCD sensor3. Pixel size: 2.9μm x 2.9μm4. HD-MI output: 1920 x 1080 60FPS5. TYPE-C output: 1920 x 1080/30, 1280x720/30, 640 x 480/306. Output: 320 x 240/30 (MJPG)7. Recording: Up to 4096 x 2160 4K8. Lens mount: C/CS9. White balance: support10. Support storage: up to 64G11. Input power: DC 5V-1A12. Auxiliary line: support 16 straight lines, color, thickness and center line adjustable position13. Language: English/Chinese/Traditional Chinese14. Remote Control : Yes15. Net weight: 230g16. Dimensions: 60 x 60 x 68mm

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1. Power off save, low voltage alarm, timing display, reverse connection protection2. Real-time monitoring, smart chip, precision fine-tuning3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Waterproof grade: IPX78. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-72v / 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61.3x33.3x16.2mm16. Weight: about 27g

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1. Adopt high-definition LCD screen design to provide clear and bright display from all angles.2. Monitor battery capacity and voltage with this mini tester.3. Blue backlight, easy to read value in dark environment.4. Widely used in cars, motorcycles, scooters, bicycles, power banks, testing equipment, etc.5. Check the remaining capacity of the battery, and directly display the battery capacity symbol and percentage.6. The instrument has the characteristics of accurate and stable, small size and easy to carry.7. Material: ABS8. Voltage measurement range: DC8V-100V9. Working current: less than 15MA10. Measurement accuracy: +/-1%11. Display: LCD screen12. Measuring speed: about 2 times per second.13. Size: about 6.5x3.5x1.5cm / 2.6x1.4x0.6in14. Installation size: about 58 x 28mm / 2.3x1.1in15. Lead Length: 20cm / 7.9in

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1. Power off save, low voltage alarm, timing display, reverse connection protection2. Real-time monitoring, smart chip, precision fine-tuning3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Waterproof grade: IPX78. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-72v / 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61.3x33.3x16.2mm16. Weight: about 27g

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Features1. Professional recording studio equipment: Equipped with this microphone, shock mount, pop filter, mic adjustable suspension scissor arm stand, anti-wind foam cap, power cable, sound card 2. High performance: Cardioid directional pickup, full bass, clear treble, high-fidelity output, corrosion-resistant built-in three-pin XLR interface, sound quality transmission barrier-free 3. Process design: Streamlined design, baking paint process, all-metal body anti-interference, large back-pole microphone 4. DSP noise reduction: There are dual DSP noise reduction chips inside the sound card voice changer to avoid the influence of current noise, ensure high quality sound, and sing beautiful songs, reverb (ECHO) makes your voice more charming 5. Low Noise: It features high signal-to-noise ratio (SNR) that means less distortion to be caused on the process of recording, Unique 3-layer protection system prevents unwanted pop noises, providing singers with a clear, plosive-free vocal performance 6. Usage scenarios: Support Android, iOS mobile phones, tablets, notebooks and many other devices, intelligently compatible with various K-song live APPsSpecification1. Directionality: Single direction 2. Microphone material: Steel mesh + zinc alloy tube body 3. Frequency response: 20Hz-20kHz 4. Sensitivity: 45dB +/-1db 5. Output impedance: 150 ohm +/-30% (1 kHz) 6. Load impedance: greater than or equal to 1000 ohms 7. Equivalent noise level: 16 dba 8. Signal-to-noise ratio: 78 decibels 9. Microphone output interface: 3.5mm 10. Cable length: 2.5 m 11. Power supply: 48V 12. Microphone size: 165mm long, 42mm handle diameter, 47mm head diameterPackage List1. Microphone x 1 2. Suspension Scissor Arm x 1 3. Plastis Shock Mount x 1 4. USB Sound Card x 1 5. Pop Filter x 1 6. Foam Cap x 1 7. XLR Cable x 1

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1. Adopt high-definition LCD screen design to provide clear and bright display from all angles.2. Monitor battery capacity and voltage with this mini tester.3. Blue backlight, easy to read value in dark environment.4. Widely used in cars, motorcycles, scooters, bicycles, power banks, testing equipment, etc.5. Check the remaining capacity of the battery, and directly display the battery capacity symbol and percentage.6. The instrument has the characteristics of accurate and stable, small size and easy to carry.7. Material: ABS8. Voltage measurement range: DC8V-100V9. Working current: less than 15MA10. Measurement accuracy: +/-1%11. Display: LCD screen12. Measuring speed: about 2 times per second.13. Size: about 6.5x3.5x1.5cm / 2.6x1.4x0.6in14. Installation size: about 58 x 28mm / 2.3x1.1in15. Lead Length: 20cm / 7.9in

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