Consumer Electronics

1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop 2. High-quality all-copper DC plug, long life 3. 3.5mm audio output, connected to active power box 4. Free large area heat sink 5. Number of channels: Left and right dual channel (stereo) 6. Protection mechanism: Power reverse connection protection, short circuit protection, self-recovery overheat protection 7. Purpose: Bluetooth speaker amplifier motherboard 8. Bluetooth version: 5.0 9. Adapter speaker: 0-200W 4 ohm 8 ohm 16 ohm 10. Transmission distance: 15 meters (without blocking) 11. Supply voltage: DC 5-24V 12. Dimensions: 56x50x18mmSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 10cm * 8cm * 2.5cm / 3.94inch * 3.15inch * 0.98inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 42cm * 42cm * 27cm / 16.54inch * 16.54inch * 10.63inch Loading Container 20GP: 559 cartons * 200 pcs = 111800 pcs 40HQ: 1299 cartons * 200 pcs = 259800 pcs

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1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop 2. High-quality all-copper DC plug, long life 3. 3.5mm audio output, connected to active power box 4. Free large area heat sink 5. Number of channels: Left and right dual channel (stereo) 6. Protection mechanism: Power reverse connection protection, short circuit protection, self-recovery overheat protection 7. Purpose: Bluetooth speaker amplifier motherboard 8. Bluetooth version: 5.0 9. Adapter speaker: 0-200W 4 ohm 8 ohm 16 ohm 10. Transmission distance: 15 meters (without blocking) 11. Supply voltage: DC 5-24V 12. Dimensions: 56x50x18mmSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 10cm * 8cm * 2.5cm / 3.94inch * 3.15inch * 0.98inch Qty per Carton 200 Carton Weight 19.00kgs / 41.89lb Carton Size 42cm * 42cm * 27cm / 16.54inch * 16.54inch * 10.63inch Loading Container 20GP: 559 cartons * 200 pcs = 111800 pcs 40HQ: 1299 cartons * 200 pcs = 259800 pcs

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1. Model: XY-S220H 2. Item: 2.1 channel Bluetooth-compatible audio amplifier board 3. Power supply: above DC12-38V/10A 4. Bluetooth-compatible version: 5.1 5. Audio channel: 2.1 channel 6. Audio input: Bluetooth-compatible+AUX+U disk+USB sound card 7. Audio output: left and right channels + subwoofer 8. Frequency range: 20HZ--20KHZ 9. Volume adjustment: high-end encoder knob adjustment, smooth feel 10. Left and right channel maximum output power: 160W/4ohms----36V DC, 80W/8ohms---36V DC 11. Subwoofer maximum output power: 220W/3ohms----36V DC, 160W/4ohms----36V DC 12. Protection mechanism: overvoltage, undervoltage, clipping, short circuit, overheating, etc. 13. Unique function: Support Sinilink-APP to modify the Bluetooth-compatible name, set the 14. Bluetooth-compatible password, turn off/on the prompt toneSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 25cm * 32cm / 16.54inch * 9.84inch * 12.6inch Loading Container 20GP: 793 cartons * 40 pcs = 31720 pcs 40HQ: 1842 cartons * 40 pcs = 73680 pcs

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1. Product model: XY-E30H 2. Name: 2.1 channel for Bluetooth audio power amplifier board module 3. Power supply: DC9-24V/3A above 4. Bluetooth version: 5.1 5. Audio channel: 2.1 channel 6. Audio input: For Bluetooth + AUX 7. Audio output: left and right channels + subwoofer 8. Volume adjustment: high-end encoder knob adjustment feel smooth 9. Frequency range: 20HZ--30KHZ 10. Signal to noise ratio: 92dB 11. Output power: 15W x 2 (left and right channels) + 30W (subwoofer) 12. Satellite box (left and right channel) adapted speakers: 5W--30W/4 ohms--16 ohms 13. Subwoofer (subwoofer) adapted speakers: 5W--50W/4 ohms--8 ohms 14. Protection mechanism: electrostatic protection, overcurrent protection, short circuit protection, overheating protection 15. Unique function: Support Sinilink-APP, modify Bluetooth name setting, Bluetooth password close/open prompt sound 16. Dimensions: 70 x 73 x 20mm 17. Weight: 98gSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 21.00kgs / 46.30lb Carton Size 44cm * 32cm * 32cm / 17.32inch * 12.6inch * 12.6inch Loading Container 20GP: 591 cartons * 200 pcs = 118200 pcs 40HQ: 1373 cartons * 200 pcs = 274600 pcs

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1. Power supply: DC9-24V/2A and above 2. Bluetooth Version: 5.0 3. Audio input: Bluetooth + AUX input 4. Transmission distance: 15 meters (unobstructed) 5. Volume adjustment: high-end encoder knob adjustment, smooth feel 6. Adapter speaker: 10W-100W /4 ohm-16 ohm 7. Output power: 20Wx2 8. Protection mechanism: electrostatic protection, overheating protection, overcurrent protection, short circuit protection 9. Unique function: support Sinilink-APP control 10. Product size: 67 x 47 x 18mm 11. Material: PCB circuit boardSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 180 Carton Weight 8.70kgs / 19.18lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 180 pcs = 84960 pcs 40HQ: 1096 cartons * 180 pcs = 197280 pcs

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1. Power supply: DC9-24V/2A and above 2. Bluetooth Version: 5.0 3. Audio input: Bluetooth + AUX input 4. Transmission distance: 15 meters (unobstructed) 5. Volume adjustment: high-end encoder knob adjustment, smooth feel 6. Adapter speaker: 10W-100W /4 ohm-16 ohm 7. Output power: 20Wx2 8. Protection mechanism: electrostatic protection, overheating protection, overcurrent protection, short circuit protection 9. Unique function: support Sinilink-APP control 10. Product size: 67 x 47 x 18mm 11. Material: PCB circuit boardSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 180 Carton Weight 10.50kgs / 23.15lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 180 pcs = 84960 pcs 40HQ: 1096 cartons * 180 pcs = 197280 pcs

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ZK-LT22:1. Bluetooth version: 5.12. Bluetooth transmission distance: 10m3. Audio input: Bluetooth + AUX + U disk + USB sound card4. Audio output: 15W for left channel + 15W for right channel + 30W for subwoofer5. Adaptable power supply: DC9-24V, 7A (not connectable to AC)6. Speaker: left and right channel 10-30W, 4-8 ohms; subwoofer 10-30W, 4-8 ohms7. Protection mechanism: over temperature, over current, short circuit, anti-static protection8. Feature function: support Wuzhi Audio APP, modify Bluetooth name, password setting, beep volume adjustment, on/off beep, sleep aid song, firmware upgrade, etc. Pair box function, true wireless function allows two sets of speakers to be combined into a left and right channel pair box, with a stronger sense of spatial positioning9. U-disk support for more HD lossless formatsBluetooth decoding chip, better resolution, support remote firmware update, support TWS function10. Separate volume adjustment for subwoofer and stereo output11. Total volume is mechanical potentiometer, volume position is clear at a glance, multi-button function is abundant12. Dimensions: 75x70x20cm13. Weight: 77gZK-LT23:1. Bluetooth version: 5.12. Bluetooth transmission distance: 10m3. Audio input: Bluetooth + AUX + U disk + USB sound card4. Audio output: 50W for left channel + 50W for right channel + 100W for subwoofer5. Adaptable power supply: DC9-24V, 7A (not connectable to AC)6. Speaker: left and right channel 10-50W, 4-8 ohms; subwoofer 20-50W, 4-8 ohms7. Protection mechanism: over temperature, over current, short circuit, anti-static protection8. Feature function: support Wuzhi Audio APP, modify Bluetooth name, password setting, beep volume adjustment, on/off beep, sleep aid song, firmware upgrade, etc. Pair box function, true wireless function allows two sets of speakers to be combined into a left and right channel pair box, with a stronger sense of spatial positioning9. U-disk support for more HD lossless formatsBluetooth decoding chip, better resolution, support remote firmware update, support TWS function10. Separate volume adjustment for subwoofer and stereo output11. Total volume is mechanical potentiometer, volume position is clear at a glance, multi-button function is rich12. Dimensions: 75x70x20cm13. Weight: 78gSpecification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 11cm * 11cm * 8cm / 4.33inch * 4.33inch * 3.15inch Qty per Carton 234 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 234 pcs = 41418 pcs 40HQ: 412 cartons * 234 pcs = 96408 pcs

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ZK-LT22:1. Bluetooth version: 5.12. Bluetooth transmission distance: 10m3. Audio input: Bluetooth + AUX + U disk + USB sound card4. Audio output: 15W for left channel + 15W for right channel + 30W for subwoofer5. Adaptable power supply: DC9-24V, 7A (not connectable to AC)6. Speaker: left and right channel 10-30W, 4-8 ohms; subwoofer 10-30W, 4-8 ohms7. Protection mechanism: over temperature, over current, short circuit, anti-static protection8. Feature function: support Wuzhi Audio APP, modify Bluetooth name, password setting, beep volume adjustment, on/off beep, sleep aid song, firmware upgrade, etc. Pair box function, true wireless function allows two sets of speakers to be combined into a left and right channel pair box, with a stronger sense of spatial positioning9. U-disk support for more HD lossless formatsBluetooth decoding chip, better resolution, support remote firmware update, support TWS function10. Separate volume adjustment for subwoofer and stereo output11. Total volume is mechanical potentiometer, volume position is clear at a glance, multi-button function is abundant12. Dimensions: 75x70x20cm13. Weight: 77gZK-LT23:1. Bluetooth version: 5.12. Bluetooth transmission distance: 10m3. Audio input: Bluetooth + AUX + U disk + USB sound card4. Audio output: 50W for left channel + 50W for right channel + 100W for subwoofer5. Adaptable power supply: DC9-24V, 7A (not connectable to AC)6. Speaker: left and right channel 10-50W, 4-8 ohms; subwoofer 20-50W, 4-8 ohms7. Protection mechanism: over temperature, over current, short circuit, anti-static protection8. Feature function: support Wuzhi Audio APP, modify Bluetooth name, password setting, beep volume adjustment, on/off beep, sleep aid song, firmware upgrade, etc. Pair box function, true wireless function allows two sets of speakers to be combined into a left and right channel pair box, with a stronger sense of spatial positioning9. U-disk support for more HD lossless formatsBluetooth decoding chip, better resolution, support remote firmware update, support TWS function10. Separate volume adjustment for subwoofer and stereo output11. Total volume is mechanical potentiometer, volume position is clear at a glance, multi-button function is rich12. Dimensions: 75x70x20cm13. Weight: 78gSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 11cm * 11cm * 8cm / 4.33inch * 4.33inch * 3.15inch Qty per Carton 232 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 232 pcs = 41064 pcs 40HQ: 412 cartons * 232 pcs = 95584 pcs

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1. 12V power supply, power failure memory2. Bluetooth call and recording function, Bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk TF card5. 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. Dimensions: L112xW62mm, D22mmKey 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 card.2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence.3. VOL-key (previous song/volume down): short press for previous song in MP3 status, long press for volume down; short press for adjusting a station number upwards in FM status; short press for Bluetooth previous song in Bluetooth function, long press for volume down4. 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 BluetoothVOL+ button (next song/volume up): short press for next song in MP3, long press for volume up; short press for downward adjustment of a station number in FM; short press for next song in Bluetooth, long press for volume down6. MODE button: switch between USB / TF / FM / Audio input / Bluetooth function in sequenceSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 15cm * 8cm / 5.91inch * 5.91inch * 3.15inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. 12V power supply, power failure memory2. Bluetooth call and recording function, Bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk TF card5. 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. Dimensions: L112xW62mm, D22mmKey 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 card.2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence.3. VOL-key (previous song/volume down): short press for previous song in MP3 status, long press for volume down; short press for adjusting a station number upwards in FM status; short press for Bluetooth previous song in Bluetooth function, long press for volume down4. 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 BluetoothVOL+ button (next song/volume up): short press for next song in MP3, long press for volume up; short press for downward adjustment of a station number in FM; short press for next song in Bluetooth, long press for volume down6. MODE button: switch between USB / TF / FM / Audio input / Bluetooth function in sequenceSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 15cm * 8cm / 5.91inch * 5.91inch * 3.15inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. LCD screen display with synchronised lyrics2. Bluetooth call and recording function, Bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk TF card5. 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. 12V power supply, power failure memory10. Dimensions: length 90 x width 57 mm; depth 28 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 card.2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence.3. VOL-key (previous song/volume down): short press for previous song in MP3 status, long press for volume down; short press for adjusting a station number upwards in FM status; short press for Bluetooth previous song in Bluetooth function, long press for volume down4. 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 BluetoothVOL+ button (next song/volume up): short press for next song in MP3, long press for volume up; short press for downward adjustment of a station number in FM; short press for next song in Bluetooth, long press for volume down6. MODE button: switch between USB / TF / FM / Audio input / Bluetooth function in sequenceSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 11cm * 7cm * 5cm / 4.33inch * 2.76inch * 1.97inch Qty per Carton 356 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 356 pcs = 63012 pcs 40HQ: 412 cartons * 356 pcs = 146672 pcs

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1. Pure black and gold plated circuit board, imported KEMET audio capacitors, high capacity filter capacitors per channel. Special order pure black copper terminals, gold plated audio input terminals2. Protection: power input reversal protection, short circuit, overheating, over EMI3. Low quiescent current, noise suppression4. External amplifier type selection function (MODE: high level class D, low level class AB, factory default high level)5. External shutdown (SD: chip shutdown at low level, factory default high level)6. External mute (MUTE: low level mute, factory default high level)8. Input method: Single-ended9. Output power: 5W 2 ohms 5V; 3W 4 ohms 5V; 1.8W 8 ohms 5V10. Size: 55.12 x 32.26mm11. Weight: 25gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 12cm * 10cm * 6cm / 4.72inch * 3.94inch * 2.36inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs 40HQ: 458 cartons * 500 pcs = 229000 pcs

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1. Use NE5532 chip, can replace OP275, AD828, NJM4558, TL072 and other general-purpose dual op-amps2. Low quiescent current and noise suppression 3. Bass: 100HZ/80DB gain adjustment4. Tweeter: 10KHZ/80DB gain adjustment5. Frequency response: 20-20000HZ6. Signal to noise ratio: 98dB7. Supply voltage: DC9-24V (5 x 2.1mm core input, 2P chassis input)8. Rated power 2x770mW stereo (24V/32 ohms) can be connected to loads above 32 ohms9. Output method: 3.5mm audio jack10. Input method: 3.5mm audio terminal, 3P 2.54mm terminal block, 6P 2.5mm chassis11. PCB: 72x53mm12. Overall: 72x53x15mm13. Potentiometer knob opening: 7mm14. Distance between mounting holes: 47.58x36mm15. Net weight: 54gSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. Has high and low tones 2. Speaker power: 5-30W 3. Speaker impedance: 4-8 ohms 4. Input voltage: 9-24V 5. Input current: 2A 6. Audio input: BT+AUX+USB+USB sound card 7. Power output: 15W+15W 8. Number of channels: 2.0 9. Protection mechanism: overcurrent, overheating, short circuit, anti-static protection 10. Function: Support Wuzhi Audio App 11. Dimensions: 71 x 60 x 22mm 12. Weight: about 98G 13. Note: 24V batteries cannot be used for power supply, because the full voltage of the battery will be around 28VSpecification: Package Weight One Package Weight 0.11kgs / 0.23lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 262 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 262 pcs = 46374 pcs 40HQ: 412 cartons * 262 pcs = 107944 pcs

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1. Has high and low tones 2. Speaker power: 10-50W 3. Speaker impedance: 4-8 ohms 4. Input voltage: 9-24V 5. Input current: 3A 6. Audio input: BT+AUX+USB+USB sound card 7. Power output: 30W+30W 8. Number of channels: 2.0 9. Protection mechanism: overcurrent, overheating, short circuit, anti-static protection 10. Function: Support Wuzhi Audio App 11. Dimensions: 71 x 50 x 20mm 12. Weight: about 106G 13. Note: 24V batteries cannot be used for power supply, because the full voltage of the battery will be around 28VSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 242 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 242 pcs = 42834 pcs 40HQ: 412 cartons * 242 pcs = 99704 pcs

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1. Speaker impedance: 4-8 ohms 2. Speaker power: 5-30W 3. Input current: 2A 4. Input voltage: 9-24V 5. Function: Support Wuzhi Audio App 6. Audio input: BT+AUX+USB+USB sound card 7. Power output: 15W+15W 8. Number of channels: 2.0 9. Protection mechanism: overcurrent, overheating, short circuit, anti-static protection 10. Dimensions: 71 x 50 x 20mm 11. Weight: about 76G 12. Note: 24V battery cannot be used for power supply, because the full voltage of the battery will be around 28VSpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 10cm * 8cm * 4cm / 3.94inch * 3.15inch * 1.57inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. Power supply range: 5V DC2. Operating voltage: 2.5V-5.5V 3. Output Power: 3W x 2 (5V 4Ω)4. PAM8403 is a small digital amplifier chip, high-definition sound quality highlights the advantages of digital chips5. Circuit using a reasonable peripheral configuration, power supply filter upgrade to 470uf, 1.6mm fiberglass plate, the amplifier board to do the meticulous6. Output 3W + 3W high-fidelity sound quality, potentiometer using the original anti-surface body, life expectancy of up to 15 years, potentiometer with a switch can be counterclockwise directly cut off the power supply. 7. Please ensure that the power supply voltage does not exceed 5.5V, and please do not reverse the positive (+) negative (-) polarity, otherwise it will burn the circuit board!8. Size: with potentiometer about 29.5 x 20.2 x 15 mm, module about 21 x 18 mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 10cm * 5cm / 3.94inch * 3.94inch * 1.97inch Qty per Carton 90 Carton Weight 10.10kgs / 22.27lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 90 pcs = 46800 pcs 40HQ: 1209 cartons * 90 pcs = 108810 pcs

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1. Amplifier output can only be connected to independent speakers or passive speakers2. The product does not include a power supply, you need to provide their own power supply DC9-24V, pay attention to the quality of the power supply, you need a pure DC power supply, with a complete rectifier filter, such as directly separate transformer will burn out3. In the case of sufficient audio input, power supply voltage/current is sufficient, there will be enough output power4. The higher the power supply voltage, the higher the output power, the lower the impedance of the speaker, the higher the output power5. Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifierParameters:1. Bluetooth version: 5.02. Transmission distance: 15 meters without blocking3. Signal-to-noise ratio: greater than 95dB4. Input mode: USB+AUX+bluetooth5. Number of channels: left and right dual-channel (stereo)6. Amplifier chip: TPA3116D2 (with AM interference suppression)7. Adaptable power supply: DC9-24V/5A or above (the higher the voltage, the higher the output power)8. Adaptable Speaker: 20-200W, 2-8Ω9. Output power:- 20W x 2 @12V, 8Ω 35W x 2 @12V, 4Ω- 35W x 2 @19V, 8Ω 60W x 2 @19V, 4Ω- 50W x 2 @24V, 8Ω 90W x 2 @24V, 4Ω10. Protection mechanism: over-voltage, under-voltage, overheating, DC detection, short-circuit protection11. Size: 100 x 77 x 22mm12. Weight: 185g (including packaging)Specification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 13cm * 10cm * 4cm / 5.12inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 15.60kgs / 34.39lb Carton Size 41cm * 38cm * 32cm / 16.14inch * 14.96inch * 12.6inch Loading Container 20GP: 534 cartons * 80 pcs = 42720 pcs 40HQ: 1241 cartons * 80 pcs = 99280 pcs

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1. Amplifier output can only be connected to independent speakers or passive speakers2. The product does not include a power supply, you need to provide their own power supply DC9-24V, pay attention to the quality of the power supply, you need a pure DC power supply, with a complete rectifier filter, such as directly separate transformer will burn out3. In the case of sufficient audio input, power supply voltage/current is sufficient, there will be enough output power4. The higher the power supply voltage, the higher the output power, the lower the impedance of the speaker, the higher the output power5. Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifierParameters:1. Bluetooth version: 5.02. Transmission distance: 15 meters without blocking3. Signal-to-noise ratio: greater than 95dB4. Input mode: USB+AUX+bluetooth5. Number of channels: left and right dual-channel (stereo)6. Amplifier chip: TPA3116D2 (with AM interference suppression)7. Adaptable power supply: DC9-24V/5A or above (the higher the voltage, the higher the output power)8. Adaptable Speaker: 20-200W, 2-8Ω9. Output power:- 20W x 2 @12V, 8Ω 35W x 2 @12V, 4Ω- 35W x 2 @19V, 8Ω 60W x 2 @19V, 4Ω- 50W x 2 @24V, 8Ω 90W x 2 @24V, 4Ω10. Protection mechanism: over-voltage, under-voltage, overheating, DC detection, short-circuit protection11. Size: 100 x 77 x 22mm12. Weight: 185g (including packaging)Specification: Package Weight One Package Weight 0.19kgs / 0.43lb One Package Size 13cm * 10cm * 4cm / 5.12inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 15.60kgs / 34.39lb Carton Size 41cm * 38cm * 32cm / 16.14inch * 14.96inch * 12.6inch Loading Container 20GP: 534 cartons * 80 pcs = 42720 pcs 40HQ: 1241 cartons * 80 pcs = 99280 pcs

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1. Bluetooth version: 5.0 (unobstructed, 15 meters)2. Signal-to-noise ratio: greater than 90dB3. Input mode: AUX+Bluetooth4. Number of channels: left and right dual-channel (stereo)5. Adaptable speaker: 15-100W, 4-8 ohms6. Protection mechanism: overheat/overcurrent/short-circuit protection7. Adaptable power supply:- 12V: 8 ohm/12W+12W, 4 ohm/20W+20W- 15V: 8 ohm/18W+18W, 4 ohm/30W+30W- 19V: 8 ohm/30W+30W, 4 ohm/30W+30W- 24V: 8 ohm/40W+40W, 4 ohm/50W+50W8. Size: about 8.9 x 6 x 2.1cm9. Weight: about 111g (including packaging)Tip: In the case of sufficient power supply voltage/current in the audio input will have enough output power, the higher the power supply voltage the higher the output power, the lower the impedance of the speaker the higher the output power, please make sure that the adapted power supply power is greater than the actual working power of the amplifierSpecification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 14cm * 8cm * 3cm / 5.51inch * 3.15inch * 1.18inch Qty per Carton 280 Carton Weight 32.10kgs / 70.77lb Carton Size 50cm * 50cm * 50cm / 19.69inch * 19.69inch * 19.69inch Loading Container 20GP: 213 cartons * 280 pcs = 59640 pcs 40HQ: 495 cartons * 280 pcs = 138600 pcs

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1. Power supply range: 3.7-5.5V2. Exquisite double-layer board design, large area of copper, stable and reliable3. Anti-static bag packaging, to avoid static electricity damage to the product on the way to the shipment4. Weight: about 10.5 g5. Size: about 4.5 x 3.6 cmModule highlights:1. Strong sound quality, on-board 2W mono amplifier (5V power supply up to 3W) directly connected to the speakers (recommended with 4Ω 3W speakers), 3.5mm gold-plated headphone socket can be connected to headphones or external audio2. With MicroUSB power supply interface, through the cell phone cable using mobile power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply3. Support TF card (cell phone internal memory card), U disk playback mode4. With speaker terminals without welding, convenient wiring, modular design for easy modification5. Supporting MP3 format, power on automatic playback, playback status when the red LED indicator update6. Support U disk (tested 32G), TF card (tested 16G) playback mode; power on the default TF card mode, if the TF card does not exist automatically jump to the U disk mode, and the two devices are installed, you can manually set up the playback mode, please see the key operation instructions for details7. Keys can be adjusted up and down the track switching, volume + -, pause / play, mode switching, key to set a single song / full cycle, power on the default full cycle, press the Repeat key to replace the cycle modeKey operation description:1. Prev/V--key: short press to switch to the previous song, long press for the volume decreasing2. Next/v++ key: short press to switch to the next song, long press to increase the volume3. P/P/Mode key: short press for play/pause switch, long press for U disk, TF card mode selection4. Repeat key: short press for single song / full song cycle switch (no long press function)Attention:1. Long press time is about 2s2. If you use U disk mode, 5V power supply is recommended, some U disk does not support 3.7V power supplySpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 8cm * 6cm * 5cm / 3.15inch * 2.36inch * 1.97inch Qty per Carton 210 Carton Weight 5.30kgs / 11.68lb Carton Size 50cm * 37cm * 32cm / 19.69inch * 14.57inch * 12.6inch Loading Container 20GP: 450 cartons * 210 pcs = 94500 pcs 40HQ: 1045 cartons * 210 pcs = 219450 pcs

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1. Bluetooth version: 5.02. Operating voltage: DC8-24V3. Transmission distance: 15 meters (visible and unobstructed)4. Number of channels: dual-channel (stereo)5. Adaptable speaker power (30W-150): 4 ohms (8-12V power supply), 8 ohms (8-24V power supply), 16 ohms (8-24V power supply)6. Module protection mechanism: reverse power supply protection, short-circuit protection, self-recovery overheating protection7. Note: to improve the performance of the module, it is recommended to work more than 20W x 2 application scenarios under the amplifier chip plus heat dissipation8. Anti-static bag packaging, acrylic panels have a protective film, please tear off when assembling9. Module size: about 5 x 3.3 cmOperating instructions:1. After turning on the power, the blue indicator light will flash quickly to enter the Bluetooth mode2. Enter pairing mode and wait for pairing after announcing the beep3. Mobile phone bluetooth search to XY-P15W (amplifier board device name), click XY-P15W connection4. After successful connection, play the tone, the indicator light will be on, you can play the music on your cell phone, and the indicator light will flash slowly when playing the music5. Bluetooth disconnect the amplifier board to prepare for the next pairing, and play the tone after entering the pairing mode waiting for the pairingPrecautions for use:1. Amplifier board to use as far away from WIFI signals (router)2. Recommended power supply voltage DC 8-24V, more than 26V, the chip will be burned3. Connect 4 ohm speakers when the power supply does not exceed 12V, connect 8 ohm speakers when the power supply does not exceed 24V4. Recommended power supply current is more than 2A5. Module working power more than 20W x 2, need to add heat sinks6. The speaker cable should not be too long, ensure that 1 meter or less is suitable7. Pay attention to electrostatic protection, contact the amplifier board before the need to release the hand of static electricity, to avoid static electricity will chip breakdown, bluetooth chip is more sensitive to static electricity8. It is recommended to adapt to the speaker rated power 30W and above, to avoid burning the speaker heatSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 12cm * 6cm * 2cm / 4.72inch * 2.36inch * 0.79inch Qty per Carton 360 Carton Weight 8.30kgs / 18.30lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 360 pcs = 157680 pcs 40HQ: 1018 cartons * 360 pcs = 366480 pcs

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1. Power supply: DC dual power supply ± 58 ± 70v2. Rated output power: 500w (± 65v power supply, 4 ohm load, 10% deformation)3. Efficiency: greater than 90%4. S / N ratio: 90db5. Total harmonic distortion:380w (+/- 65 power 4 ohm speaker, distortion <0.1%)280w (+/- 65 power 8 ohm speaker, distortion <0.1%)6. Frequency range: 20Hz-20kHz7. Voltage magnification: 36 times8. Input sensitivity 1.5v (RMS)9. Output short circuit protection: yes10. Output DC bias protection Speaker protection: yes11. Overheat protection: Yes, the temperature of the radiator is higher than 100 degrees Celsius, turn off the output!12. Product size: about 100 × 50 × 30mm13. Net weight: 100gSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 242 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 242 pcs = 42834 pcs 40HQ: 412 cartons * 242 pcs = 99704 pcs

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Notes1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. 16-in-1 superkit programmable building block kit is designed based on BBC Micro:bit, which is composed of Super:bit expansion board, building block servo, Building block motor, battery and 358 building block parts. 4. We combine building blocks with electronic devices to bring your building blocks to life, and it can also play music and realize colorful lights. On the one hand, it allows children to learn programming. On the other hand, it can also cultivate children practical ability and stimulate creativity by assembling building blocks.Features1. Designed based on BBC Micro:bit, equipped with Super:bit professional expansion board. - Popular microcontrollers for children are suitable for STEAM education. - Super:bit expansion board specially designed for Micro:bit can integrate with building blocks well, build any shape, and drive building block servo, motor, RGB lights and other devices. 2. 16 kinds of building block models + full color printing project instruction manual - The building block parts of this kit are dominated by blue and white, the whole is full of science and technology,which can be assembled into N models. - The manual include assembly steps of 16 kinds of model and basic instruction content for programming. 3. MakeCode programming + Python programming, suitable for users with different ages. - MakeCode programming: Itcan effectively reduce learning threshold and improve children interest in learning by by dragging and splicing colorful building blocks - Python programming: A string of character commands control the building blocks, writing a wonderful chapter belonging to the Makers and building block enthusiasts. 4. Support APP/game handle remote control - When using different equipment to interact with the building blocks, user can experience the fun brought by technology. 5. Compatible with Lego building block, various gameplays - 16 kinds of models with up to 80+ gameplays, such as spider walking, helicopter propeller rotation, car wriggling, cannonball shooting, etc. - Users can also expand through more Lego bricks and build more interesting shapes.Specifications1. Applicable age: 8 years old and above 2. Programming language: MakeCode graphical programming/python programming 3. Remote control method: BT APP/ micro:bit gamepad 4. Main material: ABS 5. Onboard functions: RGB lights, buzzer, etc. 6. Number of building blocks: 358 high-precision building blocks 7. Motor/Servo: Motor x 2; Servo x 1 8. Operating temperature: 4-40 degrees CelsiusSpecification: Package Weight One Package Weight 1.65kgs / 3.64lb One Package Size 34cm * 30cm * 10cm / 13.39inch * 11.81inch * 3.94inch Qty per Carton 10 Carton Weight 17.50kgs / 38.58lb Carton Size 62cm * 52cm * 35cm / 24.41inch * 20.47inch * 13.78inch Loading Container 20GP: 236 cartons * 10 pcs = 2360 pcs 40HQ: 548 cartons * 10 pcs = 5480 pcs

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About The ProtuctThis world of module programmable robot kit includes 1 professional sensor expansion board, 2 building block servos, 10 electronic sensor modules and 300+ building block parts. Support MakeCode and Python programming, suitable for users over 6 years old. We have created more than 20 kinds of models, and also provided detailed experimental cases for children to learn programming and sensor knowledge while playing with building blocks.Features19 kinds of modules 1. 4 kinds of key input modules: button module, potentiometer module, rocker module, collision module. 2. 9 kinds of sensor modules: gesture recognition module, human body infrared module, infrared module, photosensitive module, sound module, temperature-humidity module, ultrasonic module, vibration module, color recognition module. 3. 2 kinds of display modules: digital tube module, RGB module. 4. 1 kind of remote communication module: infrared receiving module. 5. 1 kind of motor drive module: vibration motor module 6. 2 kinds of voice interaction modules: buzzer module, speech broadcast module. 3 kinds of expansion boards 1. Micro:bit expansion board: suitable for Micro:bit board, using MakeCode graphical programming, suitable for young children. 2. Arduino sensor expansion board: suitable for Arduino UNO board, using Arduino IDE C++ programming, suitable for students with programming experience. 3. Pico expansion board: suitable for Pico board, using Python programming, suitable for Raspberry Pi fans. Compatible with Lego blocks - A building block expansion package is available. Use anti-reverse PH2.0 cable 1. Buy any module and get a 30cm PH2.0 cable for free. 2. Easy to plug, and can avoid users connecting the line wrongly. Environmentally friendly and beautiful private mode case 1. Perfectly compatible with every module and does not affect any wiring. 2. Using ABS material, beautiful and durable. 3. Block holes are reserved on the bottom and around the case, which can be fixed on the blocks.Specification: Package Weight One Package Weight 0.98kgs / 2.16lb One Package Size 30cm * 23cm * 6cm / 11.81inch * 9.06inch * 2.36inch Qty per Carton 10 Carton Weight 10.50kgs / 23.15lb Carton Size 47cm * 32cm * 32cm / 18.5inch * 12.6inch * 12.6inch Loading Container 20GP: 554 cartons * 10 pcs = 5540 pcs 40HQ: 1286 cartons * 10 pcs = 12860 pcs

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Notices1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. Yahboom micro:bit smart robot is developed with the most popular Micro:bit board as the core controller. Using Micro:bit dot matrix screen as the body, the entire vehicle adopts elaborate metal motor, high-quality battery and firm bracket to create a compact and beautiful appearance. And it is controlled by Android mobile App remote controller connecting with Micro:bit onboard Bluetooth. We also offer three kinds of comprehensive courses: simple development board experiments, more complex expansion board experiments, and interesting smart robot experiments.It is the best choice for all makers, educators, and amateurs.Features1.The car is a collection of Micro:bit board, learning kits, and expansion boards, allowing you to learn Micro:bit from simplest to more complex. 2. The vehicle model is small and cute. Most of the parts are connected with screws and a few parts are designed with the anti-reverse socket, which makes installation simple and safe. 3. Multi-function expansion board with vertical slot structure as chassis of the vehicle, it is equipped with RGB lights, sensors, buzzers, various module interfaces and so on, Besides, it can drive 2 DC motors and 3 servos simultaneously. 4.It supports multiple functions: tracking, ultrasonic obstacle avoidance, following, light discoloration, singing, playing music, etc. 5. It can be controlled by an Infrared remote controller, and APP remote control by Android / iOS. 6. It supports JavaScript graphical programming, Python and other micro:bit programming methods 7. More than 30 kinds of experiment courses are provided.Package List1. Expansion board x 1 2. Vertical ultrasonic sensor(Include cable) x 1 3. Motor x 2 4. Acrylic board for ultrasonic sensor 5. Tire x 2 6. Micro usb cable x 1 7. Infrared remote control x 1 8. Screwdriver x 1 9. M3 x 40 copper pillar x 4 10. Bracket x 2 11. Magic sticker x 2 12. Instruction manual x 1 13 Universal wheel x 1 14. Motor bracket x 2 15. Screw & nut set x 1 16. Track x 1 17. Packing box x 1Specification: Package Weight One Package Weight 0.62kgs / 1.36lb One Package Size 26cm * 23cm * 7.5cm / 10.24inch * 9.06inch * 2.95inch Qty per Carton 20 Carton Weight 13.00kgs / 28.66lb Carton Size 53cm * 47cm * 37cm / 20.87inch * 18.5inch * 14.57inch Loading Container 20GP: 289 cartons * 20 pcs = 5780 pcs 40HQ: 671 cartons * 20 pcs = 13420 pcs

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Notes1. The Micro:bit V2.0 board currently on sale in our store are V2.2 versions updated by BBC in 2022. The overall functions of the V2.2 board and the V2.0 board are the same, only little details are optimized and adjusted. 2. If you purchase this kit with Micro:bit V2.0, we will ship the V2.2 board by default. 3. Tiny:bit is a robotic car for the micro:bit education market. It is compact, easy to assemble, and easy to move in tight spaces. The Tiny:bit smart car is based on the micro:bit development board design and uses the online code programming of MakeCode and Python. Rich sensor applications allow Tiny:bit for easy interaction. The Tiny:bit smart car has a set of alligator clips on the rear that can be creative and expand.Features1. Simple design with small size. 2. Support Makecode graphical programming and Python programming. 3. "Interactive" Robotic car. 4. Alligator clip at the end. 5. Intelligent obstacle avoidance, following, playing music, tracking,Interesting lighting and APP supporting. 6. Compatible with building block.Package List1. Car chassis x 1 2. Remote control x 1 3. Motor x 2 4. Universal wheel x 1 5. Motor mounting x 2 6. Tire x 2 7. Micro USB cable x 1 8. Plastic rivet bag x 1 9. Line tracking map x 1 10. Manual x 1 11. Packing box x 1Specification: Package Weight One Package Weight 0.45kgs / 0.98lb One Package Size 26cm * 23cm * 7.5cm / 10.24inch * 9.06inch * 2.95inch Qty per Carton 20 Carton Weight 9.80kgs / 21.61lb Carton Size 53cm * 47cm * 37cm / 20.87inch * 18.5inch * 14.57inch Loading Container 20GP: 289 cartons * 20 pcs = 5780 pcs 40HQ: 671 cartons * 20 pcs = 13420 pcs

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1. Color: Black 2. Material: PA66 3. Frequency: 50/60HZ 4. Current: 0.14A 5. Voltage: 220-240V 6. Suitable for DIY project 7. Dimensions: 12.0 cm x 12.0 cm x 3.8 cm 8. Weight: 377gSpecification: Package Weight One Package Weight 0.43kgs / 0.94lb One Package Size 12cm * 12cm * 4cm / 4.72inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 36cm * 36cm * 20cm / 14.17inch * 14.17inch * 7.87inch Loading Container 20GP: 1028 cartons * 40 pcs = 41120 pcs 40HQ: 2388 cartons * 40 pcs = 95520 pcs

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1. Model: 24T1812 2. Input: AC 16V-28V 3. Output: DC 12V 1.5A 4. Dimensions: 7.5 x 3 x 2cm 5. Weight: 38gSpecification: Package Weight One Package Weight 0.07kgs / 0.14lb One Package Size 8cm * 4cm * 3cm / 3.15inch * 1.57inch * 1.18inch Qty per Carton 400 Carton Weight 23.40kgs / 51.59lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 400 pcs = 233200 pcs 40HQ: 1354 cartons * 400 pcs = 541600 pcs

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1. These units can be used for starting and stopping, or the connection and break of devices and electrical machinery. The product could also achieve the requirements of various kinds of special control procedures. 2. Each device connected will need to be powered by its own power source (there is no voltage output from the switch, it only acts as a connecter/dis-connecter for an existing live circuit). 3. If using a 24V device it can be wired in parallel with the switch power supply. Ideal use in 1. Vehicle central locking systems 2. Garage doors 3. Electronic gates 4. TV, Motors, Fans, Cameras, Video Signals, Audio Signals, RC applications, Electric 5. Doors/ Locks/ Windows/ Curtains and more 6. Lightweight and portable 7. Easy to install and use Specification: Receiver (Switch) Working Voltage DC 12V Remote Control (Transmitter) Operating Voltage DC 12V Operating Current 30MA Operating Frequency 315MHz Frequency Distance 20-200m (open place) Package Include Package Contents 1 x Wireless Receiver 1 x Transmitter Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 8cm * 3.8cm * 2cm / 3.15inch * 1.5inch * 0.79inch Qty per Carton 180 Carton Weight 12.60kgs / 27.78lb Carton Size 32cm * 25cm * 18cm / 12.6inch * 9.84inch * 7.09inch Loading Container 20GP: 1851 cartons * 180 pcs = 333180 pcs 40HQ: 4298 cartons * 180 pcs = 773640 pcs

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1. Circuit marker lets you draw electric circuits on circuit paper. Draw your own circuit on paper. 2. Make jumpers and shield electronics. 3. Make electronic circuits easily, so it''s good for education materials. 4. Provide a smooth pen like writing experience in a smooth paper. 5. Instantly magical pen DIY for student maker.Specification: General Size 14cm length Weight 22g Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 17cm * 5cm * 1.5cm / 6.69inch * 1.97inch * 0.59inch Qty per Carton 200 Carton Weight 8.40kgs / 18.52lb Carton Size 36cm * 27cm * 32cm / 14.17inch * 10.63inch * 12.6inch Loading Container 20GP: 857 cartons * 200 pcs = 171400 pcs 40HQ: 1990 cartons * 200 pcs = 398000 pcs

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1. Compact, lightweight, and durable rubber material can effectively protect your camera module. 2. Provides powerful protection against dust, scratches and damage to the camera module. 3. The black soft rubber sleeve provides a comfortable touch and provides better friction, which is not easy to slip from the hand, making it easy for buyers to use. 4. At the same time, a port is reserved on the protective case. 5. Package list: Soft rubber sleeve case x 1Specification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 15cm * 10cm * 1cm / 5.91inch * 3.94inch * 0.39inch Qty per Carton 300 Carton Weight 10.00kgs / 22.05lb Carton Size 42cm * 26cm * 26cm / 16.54inch * 10.24inch * 10.24inch Loading Container 20GP: 939 cartons * 300 pcs = 281700 pcs 40HQ: 2180 cartons * 300 pcs = 654000 pcs

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1. Weatherproof junction boxes, perfect for outdoor use. 2. The IP65 rating, great protection joining wires inside from rain and water. 3. The plastic screws on the lid will not rust and be easy to loosen. 4. The sides of the box are plain to allow you to drill your own cable entries where needed.Specification: General Material Plastic Size 10.1*5.3*3.4 cm Weight 65 g Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 13cm * 6cm * 5cm / 5.12inch * 2.36inch * 1.97inch Qty per Carton 150 Carton Weight 11.70kgs / 25.79lb Carton Size 50cm * 40cm * 30cm / 19.69inch * 15.75inch * 11.81inch Loading Container 20GP: 444 cartons * 150 pcs = 66600 pcs 40HQ: 1031 cartons * 150 pcs = 154650 pcs

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1. Type: Drive IC 2. Supply Voltage: 5V 3. Application: Computer 4. Language: English / Russia / Arabic / Persian 5. System supported: WinXP / Win7 / Win8 / Win2003 / Win2008 / WinVista 6. ead and write 8 pin and 16 pins chips those commonly used on computer motherboard, laptop, LCD, routers and home appliances 7. Read and write memory SPD DDR1/DDR2/DDR3 Free demolition chip, especially support 34C02 and other special part numbers 8. Support laptop 8 pin and 14 pin password chip and battery chip (especially 24RF08/6480AR/BR9080/9016 special part numbers 9. Support all series of 24,IIC EEPROM Memory.Besides, it can automatically identify chip model from 24C01 to 24C16,Automatic identify write protection level of the 24 series 7th pin. 10. Support all series of 25 and 26 SPI FLASH Memory,support identify the chips part number automaticly,the capacity is up to 256Mbit 11. Support all series 93 MircroWire Memory,including Japanese special chips 12. It is the only one programmer which have the function of supporting RTD2120 chip's double bank read and write online. Including the BANK0 which the firmware in and BANK1 area ,which menu in. It can read double BANK in only 6 seconds.Support RTD2122's three BANK read and write online. 13. Support reading and writing DDC-EDID data of LCD display and LCD TV online. Very easy to solve EDID data problems 14. Support reading and writing laptop screen EDID data online, very easy to solve the problem of DELL and SONY laptop's choose screen. Our store have screen wires sale 15. Support Leroy, Ding Branch, Rainbow Star, Triumph, Kang Yue and Wang Jie general driver board. Write the driver board MCU by VGA port without taking the components out of the board. The programmer software has a new additional function, it can restore the chips. If the board has been damaged when programming, it can be work normally with this function. Reduce many matters 16. Support to read and write firmware of LCD display and TV motherboard online and out off line. Support TPV, Proview, Samsung, LG, ACER, LENOVO, HP, IBM, BENQ, HKC, Hisense, Skyworth, Konka, Changhong, TCL , Haier, Prima and other major brands, support NOVATEK, MTK, the MST, Genesis, TSUM, SE, FT, REALTEK the Winbond WELTEND, MySoN, China and Asia micro and PIXELWORKS chipset solution, you can use the official ISP software or third-party software, take into account the functions's integrity and the user's ease of use 17. Support Samsung, Philips, AOC, BENQ, NESO use NT68F63/NT68F632/NT68F633 series MCU and WT61P4 models. Can read and write programmer free disassemble. The Samsung LCD has a common problem of missing programmer, you can solve this problem free disassemble with it. It has a special function of reading MCU original programmer online. It can read and save original programmers from the good MCU.Besides, it supports lastest SE1059 seriesa reading and writing. Easy to solve black screen problems 18. Support WINBOND series MCU as programming online, such as W78E65P-40,it can replcace the MCU of M6759,SM5964,SM89516,P89C51RD andTP2804 which are very easy be damaged 19. Support MTK series LCD and DVD program online. Such as MT2389,MT1379,MT8223 and 8226 etc. 20. Support SUNPLUS series DVD program online. Such as 8202D 8202S,8202L,8281 and 8200 etc. 21. Online support in nine series satellite receiver upgrade crack and the brick machine repair; including of Guoxin, Haier, China and Asia, NEC movement program online to read and write and demolition chip reader upgrade feature 22. USB-powered, communication automatically detects the programmer self-test mode, the the original ISP online programming mode pin disconnection detection, target board power detection function, offline reading and writing pin-contact detection and other special features during the burning of various types of failures can be identified and prompt, effective solution to read and write errors 23. Programming the internal high-speed MCU control to upgrade PC client software to complete the programmer's own feature upgrades, more compatible models; using USB interface, power supply and control, eliminating the need for bulky power adapter, easier to use; locking seat of the programming interface, there are anti-static and port the IO protection measures to ensure the reliability of the programmer 24. Recordable models constantly add, if there are special needs, you can contact with the company, part of the chip models can remotely add. 24,25,26,93 series chip and official ISP software, users can also customize the video tutorial to add, convenient to use. Gift 8G procedures and information, and provide long-term technical support, to welcome major brand service station order, such as over one hundred customizable software LOGO and special featuresSpecification: General Model RT809F Material Plastic Size 9.5*5*2.3cm Weight 79g Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 13.5cm * 13cm * 7cm / 5.31inch * 5.12inch * 2.76inch Qty per Carton 30 Carton Weight 9.40kgs / 20.72lb Carton Size 42cm * 32cm * 30cm / 16.54inch * 12.6inch * 11.81inch Loading Container 20GP: 661 cartons * 30 pcs = 19830 pcs 40HQ: 1535 cartons * 30 pcs = 46050 pcs

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1. Number of component pairs: 1272. Assembly pressure: 85N/cm23. Be sure to apply thermal grease when installing the radiator4. The literal is cold side, and the non-literal is hot side5. Packaging process: standard 704 silicone rubber seal around6. Packaging standard: foam box packaging, storage conditions ambient temperature -10 ~ 40 degrees Celsius7. Working environment: temperature range -55～83 degrees Celsius (excessive ambient temperature will directly affect the cooling efficiency)8. The working state of the cooling plate is that one side is cooling and the other side is heating, and the heating surface must be well dissipated during work. It is strictly forbidden to energize for more than 2 seconds without heat dissipation, so as to avoid overheating and burning.9. Dimensions: 12703: 40x40x4.0mm, 12709: 40x40x3.4mm, 12710: 40x40x3.4mm, 12715: 40x40x3 .3mm10. Other parameters:- 12703: Wire specification: lead length 310+/-5mm, RV standard wire, single head 5mm tin-plated, internal resistance: 4.0~4.3 ohms (ambient temperature 23+/-1 degrees Celsius, 1kHZ Ac test), working current: Imax=12 ( When starting at rated voltage), rated voltage: DC12V (Vmax: 15.5V), cooling power: Qcmax 27W- 12709: Current: less than or equal to 9A, temperature difference: less than or equal to 68 degrees Celsius, voltage: less than or equal to 15.2V, hot end temperature: 82W- 12710: Wire specification: lead length 300+/-5mm, RV standard wire, single head 5mm tin plated, internal resistance: 1.2~1.5 ohms (ambient temperature 23+/-1 degrees Celsius, 1kHZ Ac test), working current: Imax=10A ( 15Vmax voltage start), rated voltage: DC12V (Vmax: 15.5V), cooling power: Qcmax 92W- 12715: Voltage: less than or equal to 15.4V, current: less than or equal to 15A, cold output: 134WSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 12cm * 12cm * 1cm / 4.72inch * 4.72inch * 0.39inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 500 pcs = 283000 pcs 40HQ: 1314 cartons * 500 pcs = 657000 pcs

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1. Number of component pairs: 1272. Assembly pressure: 85N/cm23. Be sure to apply thermal grease when installing the radiator4. The literal is cold side, and the non-literal is hot side5. Packaging process: standard 704 silicone rubber seal around6. Packaging standard: foam box packaging, storage conditions ambient temperature -10 ~ 40 degrees Celsius7. Working environment: temperature range -55～83 degrees Celsius (excessive ambient temperature will directly affect the cooling efficiency)8. The working state of the cooling plate is that one side is cooling and the other side is heating, and the heating surface must be well dissipated during work. It is strictly forbidden to energize for more than 2 seconds without heat dissipation, so as to avoid overheating and burning.9. Dimensions: 12703: 40x40x4.0mm, 12709: 40x40x3.4mm, 12710: 40x40x3.4mm, 12715: 40x40x3 .3mm10. Other parameters:- 12703: Wire specification: lead length 310+/-5mm, RV standard wire, single head 5mm tin-plated, internal resistance: 4.0~4.3 ohms (ambient temperature 23+/-1 degrees Celsius, 1kHZ Ac test), working current: Imax=12 ( When starting at rated voltage), rated voltage: DC12V (Vmax: 15.5V), cooling power: Qcmax 27W- 12709: Current: less than or equal to 9A, temperature difference: less than or equal to 68 degrees Celsius, voltage: less than or equal to 15.2V, hot end temperature: 82W- 12710: Wire specification: lead length 300+/-5mm, RV standard wire, single head 5mm tin plated, internal resistance: 1.2~1.5 ohms (ambient temperature 23+/-1 degrees Celsius, 1kHZ Ac test), working current: Imax=10A ( 15Vmax voltage start), rated voltage: DC12V (Vmax: 15.5V), cooling power: Qcmax 92W- 12715: Voltage: less than or equal to 15.4V, current: less than or equal to 15A, cold output: 134WSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 12cm * 12cm * 1cm / 4.72inch * 4.72inch * 0.39inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 500 pcs = 283000 pcs 40HQ: 1314 cartons * 500 pcs = 657000 pcs

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1. Working voltage: DC 5-30V, input reverse polarity protection2. Rated current: 5A, up to 15A3. Power: up to 150W4. Working frequency: 1-99KHz adjustable, 1KHz step, default frequency 20KHZ5. Duty cycle: 0-100 percent, 1 percent step6. Hole size: about 7.5x3.9cm7. Appearance size: about 7.9x4.3x2.6 cm8. Weight: about 41gFeatures:1. Comes with a start and stop button, and can be controlled by an external switch to meet a variety of control needs2. Motor soft start function, the current increases slowly when starting the motor, no inrush current, effectively protects the motor and prolongs the service life of the motor3. The duty cycle, upper and lower limits of the duty cycle and operating frequency can be set, which is convenient foroperating characteristics of the machine4. The digital encoder knob adjusts the motor speed, with higher precision and better consistency5. With standard 5135 instrument shell, easy to installSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 404 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 404 pcs = 71508 pcs 40HQ: 412 cartons * 404 pcs = 166448 pcs

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Features1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high-performance class D power amplifier, which has class D efficiency and can bring real high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction (pure path TM HD). This technology can make the device maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time. 2. Bluetooth-compatible 5.1 audio power amplifier module: 2.1 dual channel stereo output, output power 220W * 2 (left and right channels) + 350W (subwoofer), pure HiFi sound quality. The treble is pure and transparent, the midrange is gentle and delicate, and the bass is surging and shocking. 3. Classic appearance multifunctional main knob: the main knob adopts rotary encoder only used in high-end power amplifier to realize 360 degree stepless tuning. It feels smooth, one key start and stop, long press to start and stop, and the operation is simple and convenient. 4. Support mobile app control: newly upgrade Sini link app; Support to modify Bluetooth-compatible name; Set Bluetooth-compatible password; Off / on tone 5. Supported audio input: Bluetooth-compatible 5.1, AUX, USB sound card, USB flash disk 6. Heat dissipation mechanism: Heat sink + fan for heat dissipation, safe and worry free. Large area aluminum alloy heat sink with special-shaped structure and fan support are adopted to reduce the temperature and effectively ensure the full power operation of the productSpecification1. Power supply: Above DC12-38V/10A 2. Bluetooth version: 5.1 3. Audio channel: 2.1 channels 4. Audio input: Bluetooth-compatible + AUX + USB flash disk + USB sound card 5. Audio output: left and right channels + subwoofer 6. Frequency range: 20Hz -- 20KHz 7. Volume adjustment: Encoder knob adjustment, smooth feel 8. Output power of left and right channels: - 220W/3ohms--36VDC - 175W/4ohms--36VDC - 100W/8ohms--36VDC 9. Output power of subwoofer: - 355W/2ohms--36VDC - 250W/3ohms--36VDC - 195W/4ohms-36VDC 10. Protection mechanism: Overvoltage, undervoltage, clipping, short circuit, overheating and other protection 11. Unique functions: Support sinlink app, modify Bluetooth-compatible name, set Bluetooth-compatible password, and turn off / on prompt tone 12. Product size: 130mm x 116mm x 27mmSpecification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 25cm * 32cm / 16.54inch * 9.84inch * 12.6inch Loading Container 20GP: 793 cartons * 40 pcs = 31720 pcs 40HQ: 1842 cartons * 40 pcs = 73680 pcs

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1. Wide range of applications 2. Easy to operate 3. Small size 4. Stable performance 5. Voltage specification: 5V 6. Module size: 5 x 4.4 x 1.8cm (manual measurement) 7. Net weight: 24g 8. Module function: When the water level is lower than the B probe, the water is automatically pumped. 9. Stop pumping when the water level reaches the C probe. 10. The A/B/C water level sensing line can be used with ordinary wires, and the wire ends are exposed to 5CM. Automatically pump water when the water level is below point B 11. Stop pumping when the water level is above point CSpecification: Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 300 Carton Weight 11.50kgs / 25.35lb Carton Size 52cm * 42cm * 42cm / 20.47inch * 16.54inch * 16.54inch Loading Container 20GP: 290 cartons * 300 pcs = 87000 pcs 40HQ: 674 cartons * 300 pcs = 202200 pcs

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1. Stable and accurate, anti-interference2. There are 5 small lights to show the power level, applicable to inverter lithium battery power prompts3. Voltage range L1: 2S 8.4V: 4.5-5.5V; 3S 12.6V: 1.5-9V; 4S 16.8V: 8-10V; 4S 14.4V: 8-9V4. Voltage range L2: 2S 8.4V: 5.5-6.8V; 3S 12.6V: 9-11V; 4S 16.8V: 10-13V; 4S 14.4V: 9-11.4V5. Voltage range L3: 2S 8.4V: 6.8-7.4V; 3S 12.6V: 11-11.5V; 4S 16.8V: 13-15V; 4S 14.4V: 11.4-13.2V6. Voltage range L4: 2S 8.4V: 7.4-8.0V; 3S 12.6V: 11.5-12V; 4S 16.8V: 15-16V; 4S 14.4V: 13.2-14V7. Voltage range L5: 2S 8.4V: 8-8.4V; 3S 12.6V: 12-12.6V; 4S 16.8V: 16-16.8V; 4S 14.4V: 14-14.4V8. Weight: about 5.9g9. Dimensions: about 62 x 2.7 x 15.8mmUsage:1. During charging or discharging, press the red button lightly with your finger, the LED light will be on, and the current through the light board is about 30mA2. Release the finger, the LED light will go out, the light board circuit shutdown, no current through3. With reverse function, the line is connected to the wrong positive and negative no problem, adjusted over on itSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 10cm * 8cm * 1cm / 3.94inch * 3.15inch * 0.39inch Qty per Carton 750 Carton Weight 6.50kgs / 14.33lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 750 pcs = 285750 pcs 40HQ: 885 cartons * 750 pcs = 663750 pcs

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1. Stable and accurate, anti-interference2. There are 5 small lights to show the power level, applicable to inverter lithium battery power prompts3. Voltage range L1: 2S 8.4V: 4.5-5.5V; 3S 12.6V: 1.5-9V; 4S 16.8V: 8-10V; 4S 14.4V: 8-9V4. Voltage range L2: 2S 8.4V: 5.5-6.8V; 3S 12.6V: 9-11V; 4S 16.8V: 10-13V; 4S 14.4V: 9-11.4V5. Voltage range L3: 2S 8.4V: 6.8-7.4V; 3S 12.6V: 11-11.5V; 4S 16.8V: 13-15V; 4S 14.4V: 11.4-13.2V6. Voltage range L4: 2S 8.4V: 7.4-8.0V; 3S 12.6V: 11.5-12V; 4S 16.8V: 15-16V; 4S 14.4V: 13.2-14V7. Voltage range L5: 2S 8.4V: 8-8.4V; 3S 12.6V: 12-12.6V; 4S 16.8V: 16-16.8V; 4S 14.4V: 14-14.4V8. Weight: about 5.9g9. Dimensions: about 62 x 2.7 x 15.8mmUsage:1. During charging or discharging, press the red button lightly with your finger, the LED light will be on, and the current through the light board is about 30mA2. Release the finger, the LED light will go out, the light board circuit shutdown, no current through3. With reverse function, the line is connected to the wrong positive and negative no problem, adjusted over on itSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 10cm * 8cm * 1cm / 3.94inch * 3.15inch * 0.39inch Qty per Carton 750 Carton Weight 6.50kgs / 14.33lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 750 pcs = 285750 pcs 40HQ: 885 cartons * 750 pcs = 663750 pcs

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1. Stable and accurate, anti-interference2. There are 5 small lights to show the power level, applicable to inverter lithium battery power prompts3. Voltage range L1: 2S 8.4V: 4.5-5.5V; 3S 12.6V: 1.5-9V; 4S 16.8V: 8-10V; 4S 14.4V: 8-9V4. Voltage range L2: 2S 8.4V: 5.5-6.8V; 3S 12.6V: 9-11V; 4S 16.8V: 10-13V; 4S 14.4V: 9-11.4V5. Voltage range L3: 2S 8.4V: 6.8-7.4V; 3S 12.6V: 11-11.5V; 4S 16.8V: 13-15V; 4S 14.4V: 11.4-13.2V6. Voltage range L4: 2S 8.4V: 7.4-8.0V; 3S 12.6V: 11.5-12V; 4S 16.8V: 15-16V; 4S 14.4V: 13.2-14V7. Voltage range L5: 2S 8.4V: 8-8.4V; 3S 12.6V: 12-12.6V; 4S 16.8V: 16-16.8V; 4S 14.4V: 14-14.4V8. Weight: about 5.9g9. Dimensions: about 62 x 2.7 x 15.8mmUsage:1. During charging or discharging, press the red button lightly with your finger, the LED light will be on, and the current through the light board is about 30mA2. Release the finger, the LED light will go out, the light board circuit shutdown, no current through3. With reverse function, the line is connected to the wrong positive and negative no problem, adjusted over on itSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 10cm * 8cm * 1cm / 3.94inch * 3.15inch * 0.39inch Qty per Carton 750 Carton Weight 6.50kgs / 14.33lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 750 pcs = 285750 pcs 40HQ: 885 cartons * 750 pcs = 663750 pcs

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1. Stable and accurate, anti-interference2. There are 5 small lights to show the power level, applicable to inverter lithium battery power prompts3. Voltage range L1: 2S 8.4V: 4.5-5.5V; 3S 12.6V: 1.5-9V; 4S 16.8V: 8-10V; 4S 14.4V: 8-9V4. Voltage range L2: 2S 8.4V: 5.5-6.8V; 3S 12.6V: 9-11V; 4S 16.8V: 10-13V; 4S 14.4V: 9-11.4V5. Voltage range L3: 2S 8.4V: 6.8-7.4V; 3S 12.6V: 11-11.5V; 4S 16.8V: 13-15V; 4S 14.4V: 11.4-13.2V6. Voltage range L4: 2S 8.4V: 7.4-8.0V; 3S 12.6V: 11.5-12V; 4S 16.8V: 15-16V; 4S 14.4V: 13.2-14V7. Voltage range L5: 2S 8.4V: 8-8.4V; 3S 12.6V: 12-12.6V; 4S 16.8V: 16-16.8V; 4S 14.4V: 14-14.4V8. Weight: about 5.9g9. Dimensions: about 62 x 2.7 x 15.8mmUsage:1. During charging or discharging, press the red button lightly with your finger, the LED light will be on, and the current through the light board is about 30mA2. Release the finger, the LED light will go out, the light board circuit shutdown, no current through3. With reverse function, the line is connected to the wrong positive and negative no problem, adjusted over on itSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 10cm * 8cm * 1cm / 3.94inch * 3.15inch * 0.39inch Qty per Carton 750 Carton Weight 6.50kgs / 14.33lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 750 pcs = 285750 pcs 40HQ: 885 cartons * 750 pcs = 663750 pcs

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Features1. Its work is characterized by side refrigeration and side fever2. Hot and cold on both sides of the temperature difference of 68 degrees3. Connected to the 12-volt power supply cooling piece on both sides there will be difference in temperature, side cold side of the heat, do not long power cooler radiator, otherwise it will cause cooler internal overheating and burning4. These devices must be used in conjunction with a heat sink to avoid burned5. Each device is full inspected and tested6. Fitted with 6-inch insulated leadsSpecification1. Size: 40mm x 40mm2. Operates from 0~15.2V and 0~6A3. Operates Temperature: -30C to 70C4. Max power consumption: 60W5. Material：Semiconductor/ceramic plates4. Package included: 1 x cooler plate moduleInstallationCooling piece is very simple to install and use. Before installation, to find a dry cell, connected to the two leads of the cooler, obviously cold you can feel at one end and the other end of fever, remember that the polarity of the lead and determine a good cooler cold and hot end. If you want to get a bigger system Ling, it is recommended that two cooling mode, with two stack up with the above, a grim absorption following a fever, the experiments prove two refrigeration effect is much better than the single-stage, the condition can choose three, of course, have a large power supply support.Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 5cm * 5cm * 1cm / 1.97inch * 1.97inch * 0.39inch Qty per Carton 2560 Carton Weight 15.00kgs / 33.07lb Carton Size 40cm * 40cm * 40cm / 15.75inch * 15.75inch * 15.75inch Loading Container 20GP: 416 cartons * 2560 pcs = 1064960 pcs 40HQ: 967 cartons * 2560 pcs = 2475520 pcs

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1. Function of this aluminum heat sink is to cool down the board and make it operate safely2. The aluminum heat sink can reduce the risk of hardware failure because of overheating3. Will cool more LEDs if work with a fan3. Material: Aluminum4. Color: Black5. Weight: 15g6. Size: 40 x 40 x 11mm7. Application: LED, Power IC, Memory, Transistor etc.3. Package included:1 x Aluminum heat sink 40 x 40 x 11mmSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 6cm * 6cm * 1cm / 2.36inch * 2.36inch * 0.39inch Qty per Carton 1440 Carton Weight 15.00kgs / 33.07lb Carton Size 36cm * 36cm * 40cm / 14.17inch * 14.17inch * 15.75inch Loading Container 20GP: 514 cartons * 1440 pcs = 740160 pcs 40HQ: 1194 cartons * 1440 pcs = 1719360 pcs

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1. Humidity range: 0-1002. Material physical properties: semiconductor3. Output signal: digital4. Working voltage: 3.3V-5V5. Size: 3cm * 1.6cm6. Features: LM393 chip, stable operation, fixed bolt holes for easy installation, dual output mode of the module, simple digital output, more accurate analog output, and adjustable sensitivitySpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 5cm * 5cm * 2cm / 1.97inch * 1.97inch * 0.79inch Qty per Carton 500 Carton Weight 9.00kgs / 19.84lb Carton Size 39cm * 39cm * 15cm / 15.35inch * 15.35inch * 5.91inch Loading Container 20GP: 1168 cartons * 500 pcs = 584000 pcs 40HQ: 2713 cartons * 500 pcs = 1356500 pcs

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Features1. Bluetooth+AUX audio input, dual-channel stereo output, just a little sound distortion. 2. You can directly adjust the treble and bass. 3. AMP module has AM interference suppression function, shielding cover power inductor, low noise front stage operational amplifier, you will enjoy a more excellent sound quality experience. 4. Audio amplifier board with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection. 5. The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Use occasion: This 50W+50W dual-channel Bluetooth audio amplifier board is widely use indoor and outdoor, such as family, party, bar, band, concert, carnival etc.Specification1. Material: ABS plastic 2. Bluetooth version: 5.0 3. Input Mode: Bluetooth / AUX 4. Power Output: 50W x 2 5. Channel: 2 6. Chip: TPA3116D2 (AM interference suppression function) 7. Bluetooth transmission distance: 10m (without occlusion) 8. Adapter speaker: 15-100W, 4 ohm s- 8 ohms 9. Signal to noise ratio: Greater than 90dB 10. Adapted power supply: DC 9-24V/ above 2A 11. Output Power: - 15W x 2 at 12V, 8 ohms - 20W x 2 at 19V, 8 ohms - 30W x 2 at 12V, 4 ohms - 30W x 2 at 24V, 8 ohms - 40W x 2 at 19V, 4 ohms - 50W x 2 at 24V, 4 ohms 12. Size: 110 x 70 x 21mmSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 16cm * 12cm * 3cm / 6.3inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 50cm * 32cm * 33cm / 19.69inch * 12.6inch * 12.99inch Loading Container 20GP: 505 cartons * 100 pcs = 50500 pcs 40HQ: 1172 cartons * 100 pcs = 117200 pcs

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Technical specifications:1. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/482. 24-bit DAC output, dynamic range support: 90dB, signal-to-noise ratio support: 85dB3. Fully support FAT16, FAT32 file system, support 32G TF card, support 32G U disk, 64M byte NORFLASH4. A variety of control modes are available. IO control mode, serial port mode, AD button control mode5. The broadcast language insertion function, you can pause the background music that is playing. After the ad is played, return to the background sound to continue playing6. The audio data is sorted by folder, supporting 100 folders at most, and 255 tracks can be assigned to every folder7. 30 levels of volume adjustable, 6 levels of EQ adjustableApplication range:1. Car navigation voice broadcast2. Highway transportation inspection, toll station voice prompt3. Voice prompts for safety inspections at railway stations and bus stations4. Voice prompts for power, communications, and financial business offices5. Voice prompts for vehicle entry and exit channel verification6. Voice prompts for border inspection channels7. Multi-channel voice alarm or equipment operation guidance voice8. Voice notice for safe driving of electric sightseeing cars9. Automatic alarm for mechanical and electrical equipment failure10. Fire alarm prompt11. Automatic broadcast equipment, regular broadcastProduct description:1. Can be directly connected to speakers2. The module can be used alone with the power supply battery, speakers, and buttons, or can be controlled through the serial port, as a module of UNO or any single-chip microcomputer with a serial port3. The module itself perfectly integrates the hard decoding of MP3, WAV and WMA. At the same time, the software supports TF card driver, supports FAT16, FAT32 file system4. Through simple serial port commands, you can complete the functions of playing the specified music and how to play the music. There is no need for cumbersome underlying operations, easy to use, stable and reliableSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 12cm * 8cm * 2cm / 4.72inch * 3.15inch * 0.79inch Qty per Carton 300 Carton Weight 7.00kgs / 15.43lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 300 pcs = 169800 pcs 40HQ: 1314 cartons * 300 pcs = 394200 pcs

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