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1. Purpose: 3 digital audio power amplifier2. Output voltage: 8-24v3. Power amplifier type: Class D4. Output power: 20w5. Output impedance: 4-8 ohms6. Protection: output short circuit protection, overheating protection, function self-recovery7. Module size: 43x55x14mmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 15cm * 10cm * 2cm / 5.91inch * 3.94inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs40HQ: 1314 cartons * 200 pcs = 262800 pcs

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1. Support MP3, WAV decoding format. 2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. 3. 24-bit DAC output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB. 4. DC 6~35V ultra-wide working voltage. 5. Support up to 32G memory card, can connect to computer via USB data cable to update and store audio files. 6. Integrated high-power amplifier output, driving 4?? speakers up to 20W, driving 8?? speakers up to 10W. 7. The UART serial port controls the voice broadcast function, which can control play, pause, song selection, volume addition and subtraction and other functions. The selection of songs is up to 65535 songs, and the baud rate is 9600 bit/s. 8. Support IO one-to-one trigger playback function, 8 IO ports can trigger 8 tracks individually or 8 IO ports can trigger 255 tracks in combination. 9. Support One_line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction. 10. Support 3 configuration IOs for up to 7 working modes selection, DIP switch settings, easy to operate. 11. 8-way IO design ESD protectionSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 10cm * 10cm * 2cm / 3.94inch * 3.94inch * 0.79inch Qty per Carton 400 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 42cm * 42cm / 20.47inch * 16.54inch * 16.54inch Loading Container 20GP: 290 cartons * 400 pcs = 116000 pcs40HQ: 674 cartons * 400 pcs = 269600 pcs

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Overview1. Reflective infrared Transceiver2. Features wide range voltage comparator LM3933. Adjustable sensitivity4. Signal output indicatorSpecifications1. Power: 3.0V ~ 5.3V2. Dimension: 25mm * 15.9mm3. Mounting holes size: 2.0mmApplications1. Robot path tracking2. Obstacle-avoiding car3. Pipeline counterHow to UseIn the case of working with a MCU:Pinouts1. VCC: 3.0V ~ 5.3V2. GND: Power supply ground3. AOUT: MCU.IO (analog output)4. DOUT : MCU.IO (digital output)Package Contents1. Infrared Reflective Sensor x12. 4-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.02lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 pcs

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1. Brand new and high quality. 2. Small and lightweight, easy to carry. 3. Display devices use high bright LED digital tube, stunning display effect. 4. With reverse polarity protection, reverse not burned. 5. The voltmeter only two wires, wiring simple and reliable performance. 6. Suitable for measuring DC voltage, no need external power, measure range: 4.5V ~ 30V. 7. Wide voltage to work, red measure min voltage 2.5V, safe load voltage max 40V, over 40V, maybe damaged. 8. When measuring voltage below 10V, two digits are displayed after the decimal point; when measuring voltage above 10V, one digit is displayed after the decimal point.Specification: General Material Electronic Component Current <30mA Measure Range DC 0-100V Input impedance >50Kohm Operating Temperature -10 ~ 65 Degree Celsius Cable Length 20cm Operating Humidity 10 ~ 80% Reading Display 0.56 inch Cutting Size 45.5x25.5mm Size 48x29x22mm Weight 16g Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 18cm * 10cm * 7cm / 7.09inch * 3.94inch * 2.76inch Qty per Carton 80 Carton Weight 14.50kgs / 31.97lb Carton Size 52cm * 37cm * 36cm / 20.47inch * 14.57inch * 14.17inch Loading Container 20GP: 385 cartons * 80 pcs = 30800 pcs40HQ: 893 cartons * 80 pcs = 71440 pcs

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1. Micro SD card slot2. Support SDIO and SPI interfaces3. 2.54mm pitch pinheadersSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 pcs

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1. Used to generate square wave rectangular wave signals for controlling DC motors or stepper motor drivers; used for servo motors, stepper motors, electric grippers, instead of PLC pulses, etc.2. The matching driver realizes dimming, speed control, solenoid valve control, etc., but it cannot directly drive loads such as electric lamp motor solenoid valves3. Two modes can be selected:- PWM mode a frequency (continuous) duty cycle. Note that the number of pulses cannot be set in this mode, and pulses are always sent;- PULSE pulse mode one positive pulse width time, negative pulse width time, delay start time, pulse number are adjustable.5. With start and stop button, you can also connect an external switch to control the output signal ON/OFF.6. Wide voltage input 3.3-30V, with anti-reverse connection protection.7. The 5.08mm screw terminal is convenient for wiring, with a shell8. Working voltage: 3.3~30V, with anti-reverse connection protection9. Frequency range: 1Hz~150KHz, accuracy is about 1%10. Duty cycle range: 0-100%, 1% step11. Number of pulses: 1-9999, or infinite12. Delayed output time: 0.000s-9999s, the minimum can be set to 1ms13. Positive and negative pulse width length: 0.000s-9999s, the minimum can be set to 1ms14. Signal carrying capacity: less than 30mA15. Output signal amplitude: the amplitude is equal to the supply voltage16. Product size: 79mm x 43mm x 30mm17. Product weight: 40gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 33cm * 32cm / 20.47inch * 12.99inch * 12.6inch Loading Container 20GP: 485 cartons * 200 pcs = 97000 pcs40HQ: 1127 cartons * 200 pcs = 225400 pcs

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1. When power is detected, it will emit light and sound2. A high-brightness white LED is built in the pen tip, which can be used as a simple flashlight3. The non-contact electric pen, integrally insulated and sealed by plastic, is safely protected during the electric test, and there is no danger of electric shock.4. Material: Plastic5. Standard: Metric6. Power supply mode: 2 AAA batteries (the product does not contain batteries and needs to be purchased separately)7. Measuring voltage: AV 90-1000V8. Operating temperature: -10 to 50 degrees Celsius9. Cleaning method: wipe with a damp cloth10. Size: 22x17x157mm11. Weight: 40gSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 18cm * 5cm * 2cm / 7.09inch * 1.97inch * 0.79inch Qty per Carton 500 Carton Weight 21.10kgs / 46.52lb Carton Size 52cm * 34cm * 32cm / 20.47inch * 13.39inch * 12.6inch Loading Container 20GP: 471 cartons * 500 pcs = 235500 pcs40HQ: 1094 cartons * 500 pcs = 547000 pcs

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Specifications1. Display: 4K Output Resolution2. Operating System: Google TV3. CPU: Quad-core Cortex-A554. GPU: ARM G310 V25. RAM: 2GB + 8GB6. Wi-Fi: 2.4GHz/5GHz7. Bluetooth: BT5.28. Dimensions: 107.4x30x14mm9. Weight: 14gDecoders1. Video Decoders: AV1, VP9, ??H.265, H.264, MPEG-4, MPEG-2, MPEG-12. Video Formats: MKV, MPG, MPEG, DAT, AVI, MOV, ISO, MP4, RM3. Audio Decoders: DTS:X, DTS HD, Dolby Atmos4. Audio Formats: MP3, AAC, RM, FLAC5. Image Decoders: JPG, BMP, GIF, PNGPacking List:Xiaomi TV Stick 4K (2nd Generation) x 1Remote control x 1Power adapter x 1User manual x 1HDMI extension cable x 1Micro USB power cable x 1Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 15cm * 6cm * 2cm / 5.91inch * 2.36inch * 0.79inch Qty per Carton 30 Carton Weight 8.50kgs / 18.74lb Carton Size 40cm * 30cm * 20cm / 15.75inch * 11.81inch * 7.87inch Loading Container 20GP: 1111 cartons * 30 pcs = 33330 pcs40HQ: 2579 cartons * 30 pcs = 77370 pcs

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1. Portable electronic drum with 9 silicon drum pads, including Tom (3) / Snare / Bass drum, Hi-Hat / Crash (2) / Ride cymbals, which can produce excellent sound and simulate real beating effects.2. 12 demonstration songs, 7 drum sounds and 9 accompaniment rhythms, various choices make your drum practice easier.3. Built-in stereo speakers allow you to enjoy the sound freely; with 3.5mm audio output jack for connecting earphones or external speakers, 3.5mm audio input jack for connecting MP3/smartphone/tablet computer and playing accompaniment music .4. Equipped with 1000mA lithium battery, support recording and playback functions; 9-level volume control and 15-level demo song/accompaniment playback speed adjustment, flexible operation.5. Color: multicolour6. Material: Silicon + Plastic7. Demo songs: 128. Drums: 79. Accompaniment: 910. Power supply: 1000mA lithium battery or DC 5V 1000mA power adapter11. Product specifications: 48 x 32 x 5cm / 18.9 x 12.6 x 2in12. Weight: 920 grams / 2 pounds13. Package list:1 x electronic drum2 x drum sticks2 x sustain pedal1 x USB power cord1 x power adapter1 x 3.5mm audio cable1 x User Manual (Chinese and English)Specification: Package Weight One Package Weight 1.76kgs / 3.89lb One Package Size 51cm * 34cm * 7cm / 20.08inch * 13.39inch * 2.76inch Qty per Carton 16 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 16 pcs = 2832 pcs40HQ: 412 cartons * 16 pcs = 6592 pcs

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1. Number of slots: UMS4: 4 slots, UMS2: 2 slots2. Input voltage/current: DC 5V/2A, 12V/1.5A3. Rated power: 18w4. Output voltage: 4.35V / 4.2V / 3.7V / 1.48V5. Note: The product only contains the charger, without batteries and other accessoriesOutput current:1. Fast charge mode: 3000mA x 1, 2000mA x 2, 1000mA x 42. Standard mode: 2000mA x 1, 1000mA x 2, 500mAx 4Universal battery1. IMR / Li-ion / LiFePO4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500 , 22650, 25500, 26500, 26650, 267002. Ni-MH/Ni-Cd: AA, AAA, AAAA, C, DSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 22cm * 16cm * 8cm / 8.66inch * 6.3inch * 3.15inch Qty per Carton 20 Carton Weight 15.00kgs / 33.07lb Carton Size 42cm * 45cm * 32cm / 16.54inch * 17.72inch * 12.6inch Loading Container 20GP: 440 cartons * 20 pcs = 8800 pcs40HQ: 1023 cartons * 20 pcs = 20460 pcs

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About This Product1. 12-inch LED screen digital photo frame with 1280*800 pixels resolution 2. 16MB internal memory + 32GB external memory (support SD U-disk) 3. Support Audio Player, Video Player, Clock, CalendarSpecification: General Capacity 16MB External Memory SD card up to 32GB (not included) Display Size 12 inch Display Types LED Aspect Ratio 16:9 Resolution 1280 x 800 Brightness 250cd/m2 Power 12V/1000mA, 100V-240V Adapter AC input AC 100-240V 50/60Hz Interfaces USB 2.0 3.5mm Earphone Port DC Port Supporting Languages English, Simple Chinese Media Formats Video Format MPG, MPEG, RMVB, MKV, FLV, AVI, RM, VOB, MP4 Audio Format MP3 Picture Format JPEG, JPG Dimensions Size 30.5*20.5*2.5cm Package Include Package Contents 1 x Digital Photo Frame 1 x Charger 1 x Remote Controller 1 x Holder 1 x Manual Package Weight One Package Weight 1.20kgs / 2.65lb One Package Size 35cm * 31cm * 8cm / 13.78inch * 12.2inch * 3.15inch Qty per Carton 6 Carton Weight 7.00kgs / 15.43lb Carton Size 50cm * 37cm * 33cm / 19.69inch * 14.57inch * 12.99inch Loading Container 20GP: 436 cartons * 6 pcs = 2616 pcs40HQ: 1014 cartons * 6 pcs = 6084 pcs

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Specification1. USB: - USB 2.0 x 2 - USB 2.0 x 2 (via FFC connector) 2. GPIO: Raspberry Pi 40 PIN GPIO x 1 3. Header: M.2 slot x 1 4. HD media interface: HDMI x 2, 1x via FFC connector, support 4K 30fps output 5. DSI display: MIPI DSI x 1 (15pin 1.0mm FPC) 6. CSI camera: MIPI CSI-2 x 2 (15pin 1.0mm FPC) 7. Power input: 5V 8. FAN: 5V / 12V (no fan control) 9. RJ45 Ethernet: Gigabit Ethernet 10. CM4 slot: Suitable for all variants of Compute Module 4 11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 12. Size: 85.0 x 56.0mmPackage List1. CM4-IO-BASE-B x 1 2. Metal case (top and bottom) x 1 3. Fan-4010-PWM-5V x 1 4. Screwdriver x 1 5. Screws pack x 1 6. 5V 3A USB-C power adapter x 1Specification: Package Weight One Package Weight 0.41kgs / 0.89lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 16.50kgs / 36.38lb Carton Size 50cm * 32cm * 27cm / 19.69inch * 12.6inch * 10.63inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

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