Consumer Electronics

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 0.04kgs / 0.09lb One Package Size 12cm * 6cm * 2cm / 4.72inch * 2.36inch * 0.79inch Qty per Carton 360 Carton Weight 12.24kgs / 26.98lb 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 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 0.01kgs / 0.03lb One Package Size 8cm * 5cm * 2cm / 3.15inch * 1.97inch * 0.79inch Qty per Carton 630 Carton Weight 7.40kgs / 16.31lb Carton Size 50cm * 37cm * 32cm / 19.69inch * 14.57inch * 12.6inch Loading Container 20GP: 450 cartons * 630 pcs = 283500 pcs 40HQ: 1045 cartons * 630 pcs = 658350 pcs

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1. The sound quality using this module is very good.2. Mono digital audio amplifier chip.3. High output and low power consumption.4. Applicable speaker impedance: 4-8 ohms (8 ohms is best).Product specifications:1. Power amplifier chip: TPA31182. Working voltage: DC8-24V3. Output power: 60W/30W4. PCB board size: 45 x 35mm/1.77 x 1.4in5. Weight: 12.3 gramsSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 8cm * 5cm * 3cm / 3.15inch * 1.97inch * 1.18inch Qty per Carton 240 Carton Weight 4.70kgs / 10.36lb Carton Size 34cm * 3cm * 32cm / 13.39inch * 1.18inch * 12.6inch Loading Container 20GP: 8169 cartons * 240 pcs = 1960560 pcs 40HQ: 18965 cartons * 240 pcs = 4551600 pcs

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1. Product name: TPA6120 headphone amplifier board2. Chip type: TPA6120A23. Input voltage: Dual DC / AC 12-24V(recommend dual DC / AC 2V 30W)4. Output impedance: 8-600 Ohm5. Protection function: Short circuit protection, over temperature protection 6. Size: 80*52*19mm7. Weight: 45gSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 12cm * 6cm * 2cm / 4.72inch * 2.36inch * 0.79inch Qty per Carton 200 Carton Weight 15.50kgs / 34.17lb Carton Size 50cm * 32cm * 22cm / 19.69inch * 12.6inch * 8.66inch Loading Container 20GP: 757 cartons * 200 pcs = 151400 pcs 40HQ: 1758 cartons * 200 pcs = 351600 pcs

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1. Brand new and high quality 2. The male ends meant for insertion into standard female sockets and the female ends are meant for insertion onto standard male headers 3. The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers 4. Made of high-grade copper wire material for safe and durable to use.Specification: General Material ABS Product Size 21*5.5cm Weight 30g Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 21cm * 6cm * 0.5cm / 8.27inch * 2.36inch * 0.2inch Qty per Carton 400 Carton Weight 15.20kgs / 33.51lb Carton Size 46cm * 32cm * 22cm / 18.11inch * 12.6inch * 8.66inch Loading Container 20GP: 823 cartons * 400 pcs = 329200 pcs 40HQ: 1911 cartons * 400 pcs = 764400 pcs

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Features1. The potentiometer adjusts the volume with a switch for easy control of the volume, making it good for DIY speakers.If it is a metal box, you need to bring out the Bluetooth antenna. 2. The copper DC connector is used to withstand high current and no heat. 3. Capacitor 470uf35V solid capacitors ensure power storage and heat dissipation, and stable power supply is a prerequisite for good sound quality. 4. Free DC head lead, compatible with the input power interface of this product, even if you do not have a DC head adapter or battery, it can be easily wired. 5. Bluetooth 5.0 version, the transmission efficiency is higher, the transmission distance is farther. Precautions for use: The power switch on the board is the standby switch. After the switch is turned off, the machine is in a low-power standby state. To completely turn off the power or unplug the DC plug on the machine for a long time.Specification1. Material: ABS plastic 2. Bluetooth version: 5.0 3. Adaptation supply voltage: 5-24V(optional 9/12/15/18/24V adapter, high power recommended high voltage) 4. Adapter speaker: 30-200W, 4 ohms, 8 ohms 5. Number of channels: Left and right stereo(stereo) 6. Bluetooth transmission distance: 15m(without occlusion) 7. Protection mechanism: Self-recovery overheat protection, self-recovery short circuit protection 8. Size: 55 x 38 x 17mm Tip: To have enough out put power if the input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound powre. Please pay attention! Power supply voltage: 12V--8 ohm speaker/12W(left channel) + 12W(right channel), 4 ohm speaker/20W + 20W 15V--8 ohms/18 + 18W, 4 ohms/greater than 30 + 30W 19V--8 ohms/32 + 32W, 4 ohms/greater than 45 + 45W 24V--8 ohms/38 + 38W, 4 ohms/greater than 50 + 50WSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 13cm * 6cm * 3cm / 5.12inch * 2.36inch * 1.18inch Qty per Carton 200 Carton Weight 9.00kgs / 19.84lb Carton Size 32cm * 32cm * 53cm / 12.6inch * 12.6inch * 20.87inch Loading Container 20GP: 491 cartons * 200 pcs = 98200 pcs 40HQ: 1140 cartons * 200 pcs = 228000 pcs

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Product Features1. Output relay switching capability: Capable of controlling loads with voltages up to 250V. Requires a 12V power supply. 2. Small Size: The circuit board measures only 35x30x17mm. 3. User-Adjustable Operating Mode: Self-locking, interlocking, inching, and time-delay modes can be adjusted via pin short-circuit caps. 4. Learning Pairing: You can learn to pair with any remote controller with the same frequency (dont worry if you lose your remote during use; simply buy a new one and learn the code without having to replace the entire set, significantly saving costs).Technical Parameters1. Operating Voltage: DC 12V (3V/6V/9V/24V available on request) 2. Quiescent Current: Less than or equal to 10mA 3. Operating Temperature: -40 degrees Celsius to +80 degrees Celsius 4. Receiver Sensitivity: More than or equal to -95dB 5. Operating Frequency: Commonly 315MHz, 433.92MHz (other frequencies available on request) 6. Output Current: Less than or equal to 10A 7. Operating Mode: Inching, Self-Lock, Interlock, Delay (Adjustable) 8. Output Mode: Contact Output (AC and DC controllable)ApplicationsThis product uses an intelligent microprocessor control system and is suitable for garage door control, lighting control, remote curtain control, access control systems, and various motor control systems. It features a compact size, easy installation, and safe and reliable operation.Learn How to Pair Code1. Inching Learning Method: Press the pairing button on the control panel once. The LED indicator will flash once. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 2. Self-locking Learning Method: Press the pairing button on the control panel twice. The LED indicator will flash twice. Wait until the LED indicator turns off. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 3. Interlocking Learning Method: Press the pairing button on the control panel three times. The LED indicator will flash three times. After the LED indicator turns off, press the A and B buttons on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 4. 5-Second Delay Learning Method: Press the control panel pairing button 4 times in a row. The LED indicator will flash 4 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. 5. 10-Second Delay Learning Method: Press the control panel pairing button 5 times in a row. The LED indicator will flash 5 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. 6. 15-Second Delay Learning Method: Press the control panel pairing button 6 times in a row. The LED indicator will flash 6 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing.Precautions1. Do not operate with power on. Always turn off the power before operating. Only power on after confirming that everything is working properly. 2. If the remote control battery voltage is low, please replace the batteries immediately. (A low battery voltage in the remote control generally reduces the control range.) 3. When using wireless electronic products, avoid strong interference sources such as metal covers, large electronic devices, and electromagnetic fields to prevent the remote control from being too close to the receiver or causing it to malfunction. 4. Do not use this electronic product improperly. Improper use can reduce product performance and lifespan, and in severe cases, damage the product and pose a safety hazard. 5. The delay time setting is automatically set when entering learning mode. The delay time setting is linked to the number of times the learning button is pressed. Please pay special attention to this.Specification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 7cm * 6cm * 3cm / 2.76inch * 2.36inch * 1.18inch Qty per Carton 100 Carton Weight 5.50kgs / 12.13lb Carton Size 36cm * 25cm * 10cm / 14.17inch * 9.84inch * 3.94inch Loading Container 20GP: 2962 cartons * 100 pcs = 296200 pcs 40HQ: 6878 cartons * 100 pcs = 687800 pcs

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1. Power supply voltage: 9-12VDC input2. Waveforms: square, sine and triangle waves3. Impedance: about 600 ohms4. Frequency: 1Hz-1MHz5. Sine wave:-Amplitude: 0-3V (9V DC input)-Distortion: Less than 1 percent (at 1kHz)-Flatness: +0.05dB 1Hz-100kHz6. Square wave:-Amplitude: 8V (no load 9V DC input)-Rise Time: Less than 50ns (at 1kHz)-Fall time: less than 30ns (at 1kHz)-Symmetry: Less than 5 percent (at 1kHz)7. Triangle wave:-Amplitude: 0-3V (at 9V DC input) -Linearity: Less than 1 percent (up to 100kHz) 10mACircuit features:1. It can generate sine wave, triangle wave and square wave2. Frequency can be from 1HZ-1MHZ, frequency, amplitude adjustable3. 5-bit precision resolution, frequency adjustment with coarse and fine tuning4. Wide range of power supply, can use external power supply 9-12V or 9V battery 5. All direct insertion components, the number of components is small, simple installation and commissioningPrecautions for soldering and mounting, please follow the steps below:1. Components are welded to the front panel, from low to high principle, that is, the first welding low-end components, such as capacitors, resistors, diodes, etc.2. Welding IC sockets, terminals, and finally the power socket, adjustable potentiometer3. Behind the use of diagonal pliers to try to cut short pinsDebugging steps:1. After completing the welding of the IC, XR2206, pay attention to the direction of the IC, the insertion may damage the chip2. Check whether the IC is reverse, such as reverse, please correct in a timely manner3. Insert the power supply, the power supply is 5.5 x 2.1 port, inside and outside the negative pole, the power supply voltage is 9-12V, more than 12V waveform may be unstableSteps for use:1. Insert J1 jumper cap, SIN/TRI blue terminal output sine wave (note that J1, J2 can only be inserted into one of the)2. Insert J2 jumper cap, SIN/TRI blue terminal output triangle wave (note that J1, J2 can only be inserted into one)3. SQU blue terminal outputs pulse4. AMP: sine wave, triangle amplitude adjustment5. FINE: frequency fine-tuning6. Coarse: frequency coarse adjustmentSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 360 Carton Weight 26.30kgs / 57.98lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 360 pcs = 187200 pcs 40HQ: 1209 cartons * 360 pcs = 435240 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. Wide range of applications 2. Easy to operate 3. Small size 4. Stable performance 5. Voltage specification: 12V 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 / 0.10lb 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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Description1. Onboard TJA1050 CAN controller interface chip2. Chip commonly used pin has led, convenient connection to use3. Pin 5v to power supply4. PCB board size: 22 (mm) x11.5 (mm)Specification1. Brand: Landa tianrui2. Model: LDTR-WG02103. Quantity: 1 piece4. Color: Blue5. Material: PCB6. Chipset: TJA10507. Dimensions: 2.2 cm x 1.2 cm x 0.5 cm8. Weigh: 5g9. Package List: 2 x TJA1050 CAN Controller Interface ModuleSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 4cm * 3cm * 1cm / 1.57inch * 1.18inch * 0.39inch Qty per Carton 7800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 7800 pcs = 2215200 pcs 40HQ: 661 cartons * 7800 pcs = 5155800 pcs

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Features1. Input voltage range: DC 10V-60V2. Rated current: continuous operating current within 6A3. Function: control DC brush motor speed, forward, stop, reverse4. Installation method: panel type, and wiring according to wiring diagram5. Brand: Landa tianrui6. Model: LDTR-WG02657. Material: FR-48. Dimensions: 9.8 cm * 9.1cm* 6cm9. Weight: 124 g10. Package Included: 1 x Motor Speed ControllerNote1. The input of the DC motor governor is DC, and it cannot be directly connected to AC (for example, household 220V AC), otherwise it will burn out.2. The positive and negative poles of the DC power cannot be reversed, otherwise the governor will be bad.3. The motor is not divided into positive and negative. When the running direction is inconsistent with the expectation, the direction can be changed by adjusting the line sequence.4. The potentiometer knob can change the governor output duty cycle, thus changing the motor speed.Specification: Package Weight One Package Weight 0.16kgs / 0.35lb One Package Size 12cm * 10cm * 6cm / 4.72inch * 3.94inch * 2.36inch Qty per Carton 120 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 36cm / 23.62inch * 15.75inch * 14.17inch Loading Container 20GP: 308 cartons * 120 pcs = 36960 pcs 40HQ: 716 cartons * 120 pcs = 85920 pcs

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Features1. High efficiency, high torque, low heat generating2. Control the speed of a DC motor with this controller3. With reverse polarity protection, high current protection4. With potentiometer5. With reversible switch6. Speed controller is made with high quality circuit board which ensures a longer service life7. This simple and easy-to-use DC motor speed controller has an stable performance8. The output current of this motor speed controller can be adjusted from 6A to 10A, and it is simple to set9. This motor speed controller uses screw terminals for convenient and quick wiringSpecifications1. Input Voltage: DC 6V-30V2. Output Voltage: Linear with load3. Output Current: 6A-10A4. Power: Max. 200W5. Speed Range: 0% to 100%6. Regulation Method: Potentiometer7. Regulation Type: Regulating Current8. Control Frequency: 16KHz9. Wiring Type: Screw terminal10. Rotary Knob Wire Length: 20cm 11. Brand: Landa tianrui12. Model: LDTR-WG026613. Material: FR-414. Dimensions: 7.4 cm * 4.7 cm* 2.8cm15. Weight: 68 g16. Package included: 1 x PWM DC motor speed controllerSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 8cm * 6cm * 3cm / 3.15inch * 2.36inch * 1.18inch Qty per Carton 546 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 36cm * 39cm / 22.05inch * 14.17inch * 15.35inch Loading Container 20GP: 339 cartons * 546 pcs = 185094 pcs 40HQ: 787 cartons * 546 pcs = 429702 pcs

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1. Dielectric strength: withstand 750 V (50 Hz AC RMS) for 1 minute, without breaking, flying fox phenomenon 2. Rated power: 2W 3. Small size, easy to carrySpecification: General Material Plastic, Metal Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 6cm * 3cm * 3cm / 2.36inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 32cm * 32cm * 30cm / 12.6inch * 12.6inch * 11.81inch Loading Container 20GP: 868 cartons * 500 pcs = 434000 pcs 40HQ: 2015 cartons * 500 pcs = 1007500 pcs

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1. Metal gear, stable transmission and wear-resistant2. Pure copper motor, effectively insulates dust and high temperature3. 304 stainless steel folding, high-precision gear box4. Features: Durable, dust-proof, anti-skid, high temperature resistance, abrasion resistance5. Rated voltage: 6/12v6. Application: electronic locks, smart cars, robots, cameras, etc.7. Size: about 14x17x35mm8. Material: 304 stainless steelSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 200 Carton Weight 1.00kgs / 2.20lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs 40HQ: 1314 cartons * 200 pcs = 262800 pcs

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Specifications1. Supply voltage: DC 24V 2. Trigger terminal voltage: DC 5~30V (can also be triggered by button) 3. Relay control current: 10A 4. Module size: 63 x 42 x 20mm (length, width and height)Specifications Set1. Press and hold the S1 key and do not let go, after 0.5 seconds, the display will display P-xx, press S2 and S3 to change the working mode. 2. After selecting the working mode, short press the S1 key to enter the A time setting, and the screen displays Axxx. At this time, press the S2 and S3 keys to modify the A time parameters. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract. 10. Press the S4 key to set the position of the decimal point. 3. After setting the A time, press the S1 key to set the B time, and the screen displays bxxx. At this time, press the S2 and S3 keys to modify the B time parameters. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract. 10. Press the S4 key to set the position of the decimal point. 4. After setting the B time, press the S1 key for the last time to exit the setting state and save all parameters.About The Product1. Multifunctional time relay module, a variety of working voltages are optional, DC 24V 2. The output terminal is isolated from the circuit by a relay, which can control low-voltage electrical appliances and 220V lines, with a control capacity of up to 10A. 3. There are as many as 27 working modes to meet various testing and automatic control applications, and the delay time is adjustable from 0.01 seconds to 999 minutes. 4. The trigger port can be triggered by a voltage signal, or it can be triggered by a button.Point Position1. Ax.xx decimal point is in the hundreds place, the time range is 0.01~9.99 seconds 2. Axx.x decimal point is in ten place, time range is 0.1~99.9 seconds 3. Axxx. The decimal point is in the one place, the time range is 1~999 seconds 4. Axxx has no decimal point, the time range is 1~999 minutes 5. Turn off the display: In the non-setting state, press the S4 key to turn off the display, and press it again to turn it on again.Specification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 200 Carton Weight 12.00kgs / 26.46lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 200 pcs = 76200 pcs 40HQ: 885 cartons * 200 pcs = 177000 pcs

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1. Size: 6.8CM x 2.1CM2. Main chip: NE5553. Working voltage: DC 12V/5VFeatures:1. The relay time delay and power supply is connected.Specific as follows: for 12V/5V power supply to the relay, relay not immediately and absorption, relay the output status to: normally open and public disconnect, normally closed and public conduction;Wait for delay 1-10 s (adjustable), relay and absorption, at this point, the relay outputs status to: normally open and public conduction, normally closed and public disconnected;As long as the module power continuously, this state will remain.2. The delay time is adjustable, (0-10 seconds)4. Increase the potentiometer to increase the delay time5. Increasing the capacitor C1 can increase the delay time6. With input power indicator light7. With relay pull-in indicator light8. It can control AC 220V/10A equipment. (Large control equipment 2000W)9. With relay freewheeling protection.10. Delay time formula: T=1.1RC. For example: capacitor 100uf resistor 100K T=1.1 x 100000 x 0.0001=11 secondsApplications1. The on-board equipment on the time delay, prevent excessive current when the car lighter burned on-board equipment.2. Need to have order to start the occasion, to prevent multiple devices at the same time starting current is too large burning appliances.Specification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 14cm * 7cm * 4cm / 5.51inch * 2.76inch * 1.57inch Qty per Carton 500 Carton Weight 12.00kgs / 26.46lb Carton Size 30cm * 50cm * 40cm / 11.81inch * 19.69inch * 15.75inch Loading Container 20GP: 444 cartons * 500 pcs = 222000 pcs 40HQ: 1031 cartons * 500 pcs = 515500 pcs

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1. This module complies with international safety standards, with isolation slots between the control area and the load area2. Using relays, with power and relay action indication, absorb bright, disconnect not bright3. When there is signal at the signal input, the common terminal and the normally open terminal will conduct4. It can be used as a microcontroller development board module, and can be used for home appliance control5. Control DC or AC signals, can control 220V AC loads6. There is a normally open and a normally closed contacts7. Blue KF301 terminals to connect the control line is more convenient8. Weight: about 12.4 g9. Size: about 4.3 x 2.7 cmAbout the high level and low level trigger mode description:1. High level triggering refers to the triggering mode where there is a voltage between the signal input and ground, which can be understood as a mode of triggering by short-circuiting the signal input and the positive pole of VCC2. Low level trigger refers to the trigger mode where the voltage between the signal input and the ground is OV, which can be understood as a mode where the signal input is triggered by a short circuit with the negative pole of GNDSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 8cm * 5cm * 3cm / 3.15inch * 1.97inch * 1.18inch Qty per Carton 360 Carton Weight 6.50kgs / 14.33lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 360 pcs = 187200 pcs 40HQ: 1209 cartons * 360 pcs = 435240 pcs

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1. Voltage: DC12-24V2. Frequency: 50/60HZ3. Installation method: indoor, ceiling installation4. HF system: 5.8GHz CW radio wave, ISM band5. Transmitting power: less than 10mW6. Power: 70W (DC 12V)7. Detection angle: 360 degrees8. Distance: about 1-10m (radius) adjustable9. Working delay: 10 seconds to 3 minutes10. Light control illumination: about 2-2000 LUX11. Power consumption: about 0.5W12. Description: 807 with power output, 807K without power output13. Applicable environment: corridors, toilets, living rooms, corridors, warehouses, garages, etc.14. Installation reminder: the induction switch has a transmission blind spot in the central area. If it is installed in a small indoor environment (such as bathroom, kitchen), try to install it on the side or in the corner, so that the induction area will be more effective on the side. otherwise, the vertical center activity may not be sensed15. Size: about 7.6x4.1x3.9cmSpecification: Package Weight One Package Weight 0.10kgs / 0.21lb One Package Size 10cm * 6cm * 5cm / 3.94inch * 2.36inch * 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. Onboard BME68X sensor to measure temperature, humidity, barometric pressure and gas2. Support I2C interface communication, can set I2C address, support I2C bus cascading3. Support SPI interface communication, the default is I2C interface, SPI can be enabled through CS chip selection4. On-board level conversion circuit, compatible with 3.3V/5V working level5. Provide complete supporting information manuals (RaspberryPi/Pico/Arduino/ESP32 sample programs and user manuals, etc.)Parameter:1. Function: BME680 can detect atmospheric pressure, ambient temperature, relative humidity, VOC gas change detection (combined with Bosch software package, can calculate IAQ air quality coefficient), BME688 can detect atmospheric pressure, ambient temperature, relative humidity, VOC and VSC Gas change detection (combined with Boschs software package, which can calculate IAQ air quality coefficient and integrate AI function)2. Communication interface: I2C and SPI3. Temperature measurement range: -40~85 degrees Celsius4. Temperature measurement accuracy: BME680: +/-1.0 degrees Celsius (0~65 degrees Celsius), BME688: +/-0.5 degrees Celsius (0~65 degrees Celsius)5. Humidity measurement range: 0~100%RH6. Humidity measurement accuracy: +/-3%RH7. Air pressure measurement range: 300~1100 hPa8. Air pressure measurement accuracy: +/-0.6hPa (0~65 degrees Celsius)9. Gas measurement: BME680: VOC gas change detection, BME688: VOC and VSC gas change detection10. Product size: 27 × 20mmPacking list:-Environment sensor x 1-PH2.0 6PIN cable 20cm × 1Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 8cm * 5cm * 3cm / 3.15inch * 1.97inch * 1.18inch Qty per Carton 356 Carton Weight 30.00kgs / 66.14lb Carton Size 56cm * 35cm * 21cm / 22.05inch * 13.78inch * 8.27inch Loading Container 20GP: 647 cartons * 356 pcs = 230332 pcs 40HQ: 1504 cartons * 356 pcs = 535424 pcs

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1. With charging and discharging status indication: red light blinks when charging, red light stays on for full, and blue light blinks when discharging2. Built-in charging and discharging power MOS 3. Input voltage: 3.7-5.5V4. Charging current: 1A5. Output current: 1A6. Output voltage: 5V 7. BAT discharge termination voltage: 2.9V 8. Preset 4.2V charging voltage, accuracy about 1%9. Discharge efficiency: 85% (input 3.7V, output 5V/1A)10. 8uA standby current 11. Integrated charge management and discharge management12. Intelligent temperature control and over-temperature protection 13. Integrated output over-voltage/short circuit/heavy load/over-charging/over-discharging protection 14. Support trickle mode and zero voltage charging15. Available batteries: 18650 batteries, cell phone batteries, tablet batteries, MP3 batteries, such as 3.1V-4.2V polymer lithium batteries (Note: Parallel to increase the capacity, series is to increase the voltage, can only be used in parallel)16. Unusable batteries: dry cell batteries, storage batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries, etc.17. Size: about 20 x 18 x 1mmSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 6cm * 5cm * 2cm / 2.36inch * 1.97inch * 0.79inch Qty per Carton 800 Carton Weight 6.20kgs / 13.67lb Carton Size 50cm * 37cm * 32cm / 19.69inch * 14.57inch * 12.6inch Loading Container 20GP: 450 cartons * 800 pcs = 360000 pcs 40HQ: 1045 cartons * 800 pcs = 836000 pcs

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1. Size: 38mm (length) X22mm (width) X14mm (height)2. Weight: 8g3. Working voltage: 3.3--5.5V4. Clock chip: High-precision clock chip DS32315. Clock accuracy: Within 0-40 degree C, accuracy 2ppm, annual error about 1 minute6. With 2 calendar alarm clocks7. Programmable square wave output8. Real-time clock generates seconds, minutes, hours, week, date, month and year time, and provides leap year compensation valid to 2100 years9. The temperature sensor inside the chip has an accuracy of +/- 3 degree C10. Memory chip: AT24C32 (storage capacity 32K)11. IIC bus interface, high transmission speed 400KHz (when working voltage is 5V)12. Can cascade other IIC devices, 24C32 address can be modified by short circuit A0 / A1 / A2, the default address is 0x5713. With rechargeable battery LIR2032 to ensure that the clock still runs normally after the system is powered off14. Packing: Single anti-static packaging15. Wiring instructions (taking Arduino uno r3 as an example):SCL -- A5SDA -- A4VCC -- 5VGND -- GND16. DS3231 is a low-cost, high-precision I2C real-time clock (RTC) with integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device contains a battery input, which can maintain accurate timing when the main power is disconnected. The integrated crystal oscillator improves the long-term accuracy of the device and reduces the number of components in the production line. The DS3231 offers commercial and industrial temperature ranges and is available in a 16-pin 300mil SO package.17. RTC saves seconds, minutes, hours, day, date, month and year information. Months less than 31 days will automatically adjust the end of the month, including corrections for leap years. The working format of the clock can be 24 hours or a 12-hour format with / AM / PM indication. Provide two configurable calendar alarms and a configurable square wave output. The address and data are transferred serially via the I2C bidirectional bus.Sophisticated, temperature-compensated voltage reference and comparator circuits are used to monitor VCC status, detect power failures, provide reset outputs, and automatically switch to backup power when necessary. In addition, the / RST monitor pin can be used as a manual input to generate a μP reset.18. In addition to high timing accuracy, the DS3231 also has some other functions that expand the additional functions and selection range of the system host. The device integrates a very accurate digital temperature sensor, which can be accessed through the I2C * interface (just like time). The accuracy of this temperature sensor is +/- 3 degree C. The on-chip control circuit can realize automatic power supply detection and manage the power supply switching between the main power supply and the backup power supply (that is, the low-voltage battery). If the main power supply is powered down, the device can continue to provide accurate timing and temperature without affecting performance. When the main power supply is re-energized or the voltage value returns to the allowable range, the on-chip reset function can be used to restart the system microprocessor.Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 5cm * 5cm / 3.15inch * 1.97inch * 1.97inch Qty per Carton 500 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 38.9cm / 11.81inch * 11.81inch * 15.31inch Loading Container 20GP: 761 cartons * 500 pcs = 380500 pcs 40HQ: 1768 cartons * 500 pcs = 884000 pcs

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Main Features: 1. Brand new Ultrasonic Sensor HC-SR04 Distance Measuring Module 2. Features 4-mode connections: VCC / trig (T) / echo(R) / GND 3. With electric frequency output signal from 0V to 5V 4. Has high precision up to 3mm 5. 5VDC power supply 6. Detecting distance is from 2cm to 450cm Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal 3. If there is signal returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receivingSpecification: General Model HC-SR04 Types Ultrasonic Distance measuring sensor module Size 6.0*4.0*3.0 cm Weight 70 g Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 6cm * 4cm * 3cm / 2.36inch * 1.57inch * 1.18inch Qty per Carton 200 Carton Weight 16.10kgs / 35.49lb Carton Size 30cm * 25cm * 20cm / 11.81inch * 9.84inch * 7.87inch Loading Container 20GP: 1777 cartons * 200 pcs = 355400 pcs 40HQ: 4126 cartons * 200 pcs = 825200 pcs

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Main Features: 1. Working current: DC 3.3V / 13 - 26mA 2. Idle current: DC 3.3V / 10 - 13mA 3. Sleep current: < 80uA 4. Peak current: < 30mA 5. Working frequency: 13.56MHz 6. Supports card: Mifare1 S50, mifare1 S70, mifare Ultralight, mifare Pro, mifare Desfare 7. Application: Various electronic products and DIY projectsSpecification: General Model RFID-RC522 Material Plastic Size 12*8.0*2.0 cm Weight 80 g Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 12cm * 8cm * 2cm / 4.72inch * 3.15inch * 0.79inch Qty per Carton 200 Carton Weight 18.40kgs / 40.56lb Carton Size 48cm * 40cm * 20cm / 18.9inch * 15.75inch * 7.87inch Loading Container 20GP: 694 cartons * 200 pcs = 138800 pcs 40HQ: 1612 cartons * 200 pcs = 322400 pcs

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1. Input voltage: 5-36V (the input voltage above 6.5V is required for the on-board voltmeter to be effective)2. Output voltage: 1.25-32V continuously adjustable (for use as a step-down module, the input must be greater than the output by more than 2V)3. Output current: adjustable, up to 5A (recommended to be used within 4.5A, constant current needs to be output power above 2V to be adjustable, current adjustment will only work in constant current state)4. Output power: up to 75W (recommended to be used within 50W, please reduce the power when using a large pressure difference)5. Working frequency: 180KHZ6. Short circuit protection: yes7. Over-temperature protection: yes (automatically turn off the output after over-temperature)8. Wiring method: wiring terminal or welding terminal, V-IN is input, V-OUT is output9. Size: about 6.82x3.88x1.5cm10. Weight: about 73gFeatures:1. With crystal case, safe and practical, convenient and exquisite2. On-board voltage, current, power meter, simple and intuitive3. The onboard USB interface can easily charge digital products (note: the USB output voltage is the same as the module output voltage, not a fixed 5V output, please confirm before charging USB devices)4. High power, high efficiency, 5A, low ripple5. Can be used as an ordinary step-down module with overcurrent protection capability6. It can be used as a charger for various voltage values ??of lithium batteries, batteries, silver-cadmium silver-hydrogen batteries (battery packs), and used in solar panels, wind turbines, etc.7. Used as a high-power LED constant current driver module8. There are two modes of constant voltage and constant current, and there are indicators to indicate which mode the module is currently in.9. When used as a lithium battery charger, you can set the floating charging voltage and charging current, and there is an indicator light to indicate whether it is charging or has been fully charged.10. With current limiting protection function, the module will not burn out even if the output is short-circuited11. The on-board voltage and ammeter can be self-calibrated12. It can display five states such as fixed input voltage, output voltage, power, current or turn displaySpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 5cm * 3cm / 3.94inch * 1.97inch * 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. 7inch IPS screen,1024x600 hardware resolution, configurable by software (up to 1920 x1080) 2. Toughened glass capacitive touch panel, 6H hardness 3. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers 4. When works with Raspberry Pi, supports Raspbian, Ubuntu, -WIN10 IOT, single touch, and driver free 5. When work as a computer monitor, supports Windows 10/8.1/8/7, five-points touch, and driver free 6. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 7. 3.5mm audio jack, supports HDMI audio output 8. Also supports VGA input (specific cable is required and should be purchased separately) 9. High quality PC case, optional tilt angle: 30 Celsius /50 CelsiusSpecification: Package Weight One Package Weight 0.53kgs / 1.16lb One Package Size 25cm * 15cm * 7cm / 9.84inch * 5.91inch * 2.76inch Qty per Carton 15 Carton Weight 8.28kgs / 18.25lb Carton Size 40cm * 36cm * 32cm / 15.75inch * 14.17inch * 12.6inch Loading Container 20GP: 578 cartons * 15 pcs = 8670 pcs 40HQ: 1343 cartons * 15 pcs = 20145 pcs

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1. Produced with precision components, low power consumption, no switch, can work after plugging in the power supply, with colorful breathing lights2. Acting on the space environment, it can relax peoples body and mind, improve the body perception of sound and images, improve human health, work efficiency, and mental stress.3. It can be placed on the table or bookshelf 1.5 meters above the ground in the bedroom4. All-around design, no dust accumulation will affect the circuit5. Front and back double-sided transmitting antennas6. Input voltage: DC12V7. Current: above 0.5A8. Material: PCBSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 12cm * 10cm * 1.5cm / 4.72inch * 3.94inch * 0.59inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 194 pcs = 34338 pcs 40HQ: 412 cartons * 194 pcs = 79928 pcs

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1. Input voltage: 8-60V2. Input current: 0-15A3. Output voltage: 10-120V4. Output current: 0-15A5. Power: 900W6. Working frequency: 150KHz7. Short circuit protection: 20A fuse8. Control mode: digital control + digital tube display9. Voltage regulation/display resolution: less than 100V/0.01V, greater than 100V/0.1V10. Current adjustment/display resolution: less than 10A/0.01A, greater than 10A/0.1A11. Output ripple: within 50mV12. Weight: about 243g13. Size: about 11x9.6x4.6cmFeatures:1. Using a microprocessor, the output voltage and current can be adjusted2. With memory saving function, 10 groups of parameters can be stored, and can be stored and recalled freely3. The use of power devices, combined with the CV and CC loops formed by peripheral precision op amps, improves the overall performance of the module4. With input voltage regulation protection function5. With constant voltage, constant current function6. Using 4-bit high-brightness digital tube, it can display parameters such as output voltage, current, power and capacity in real time7. Automatic/manual switch to display parameters such as voltage, current, power, capacity, etc.8. With output OUT, constant voltage CV, constant current CC indicator, you can check the working status in real time9. It can be set whether to output automatically after power-on10. The current set voltage and current value can be saved with one keySpecification: Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 13cm * 12cm * 5cm / 5.12inch * 4.72inch * 1.97inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 60cm * 55cm * 23cm / 23.62inch * 21.65inch * 9.06inch Loading Container 20GP: 351 cartons * 98 pcs = 34398 pcs 40HQ: 815 cartons * 98 pcs = 79870 pcs

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1. Low-power SoC equipped with RISC-V 32-bit single-core processor, clocked at up to 160MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)3. 400KB SRAM and 384KB ROM, and 4MB onboard flash memory4. Castle-shaped module and on-board ceramic antenna, allowing direct soldering to the carrier board5. Support flexible clock and module power independent settings and other controls to achieve low power consumption in different scenarios6. Integrated USB serial port full-speed controller, 15×GPIO pins, pin functions can be flexibly configured7. 3×SPI, 1×I2C, 2×UART, 1×I2S, 2×ADC, etc.8. Product size: 23.5 x 18mm9. Weight: 2g, 3gSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 5cm * 2cm / 3.15inch * 1.97inch * 0.79inch Qty per Carton 384 Carton Weight 4.94kgs / 10.89lb Carton Size 34cm * 32cm * 34cm / 13.39inch * 12.6inch * 13.39inch Loading Container 20GP: 720 cartons * 384 pcs = 276480 pcs 40HQ: 1673 cartons * 384 pcs = 642432 pcs

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1. In resistance tester circuit, it is necessary to adjust the potentiometer to balance the resistance tester. Under the influence of temperature, humidity and vibration impact, the position and specifications of the potentiometer will be changed when being used, the system index is also changed. Therefore, to make the system back to the original state it needs to be adjusted, and digital potentiometer module can just solve this problem.2. The digital potentiometer changes in steps or incrementally, and the resistance is of linear change. For example, the resistance range of X9C104 is 40R~1000k, divided into 100 steps, so each increment is 1010R.3. With temperature compensation function: the resistance deviation between endpoints is +/-20%;4. Sliding end data can be kept for a long time, about 100 years;5. With 1% high resistance resolution;6. Working voltage: 5V;7. Total resistance: 100kΩ;8. End voltage: -5~5V;9. Tap number: 100;10. Interface: CS, U/D, INC;11. Resistance increase mode: Linear change;12. Working current: 3mA;13. Package temperature: 8SOIC/-40~85 C;14. Taps will automatically store data when being off.15. Package included: 1 x X9C104 Digital Potentiometer ModuleSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb 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 pcs 40HQ: 661 cartons * 6240 pcs = 4124640 pcs

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Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will be installed automatically7. Select the board in die8. Select the COM port, this can be queried in my computer, just the port inside your development board9. It is best to choose the program that comes with it, PROGRAMMER it in.10. Added pin header, easy to useSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 16cm * 8cm * 3cm / 6.3inch * 3.15inch * 1.18inch Qty per Carton 240 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 240 pcs = 85200 pcs 40HQ: 825 cartons * 240 pcs = 198000 pcs

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Features1. Supports NVIDIA Jetson Nano Developer Kit2. 8 Megapixels3. Sensor: IMX2194. Resolution: 3280 × 24645. Lens specifications:- CMOS size: 1/4inch- Aperture (F): 2.2- Focal Length: 1.88mm- Angle of View (diagonal): 120 degree- Distortion: <13.6%- Lens dimensions: 6.5mm x 6.5mm6. 4 screw holes7. Used for attachment8. Provide 3.3V power output9. Dimension: 25mm x 24mm10. Weight: 12gPacking List:1. IMX219-120 Camera x12. 15-pin FFC (opposite sides contact) x1Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 720 Carton Weight 14.00kgs / 30.86lb Carton Size 60cm * 36cm * 40cm / 23.62inch * 14.17inch * 15.75inch Loading Container 20GP: 308 cartons * 720 pcs = 221760 pcs 40HQ: 716 cartons * 720 pcs = 515520 pcs

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1. Power supply current: 0-20mA2. Power supply voltage: 0-10V3. Power supply voltage: 7-36V4. Packaging: Static Bag5. Features: Wide supply voltage range, support multiple ranges, high stability, good linearity, high-precision color ring resistance, high accuracy, low temperature drift, high powerSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 5cm * 5cm * 5cm / 1.97inch * 1.97inch * 1.97inch Qty per Carton 500 Carton Weight 24.00kgs / 52.91lb Carton Size 39cm * 39cm * 39cm / 15.35inch * 15.35inch * 15.35inch Loading Container 20GP: 449 cartons * 500 pcs = 224500 pcs 40HQ: 1043 cartons * 500 pcs = 521500 pcs

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1. Working voltage: 5 ～ 12V2. Board size: 29 (mm) x12 (mm)3. Chip: NE555 chip on board4. Resistance: adjustable5. Packing: static bagSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 5cm * 5cm * 5cm / 1.97inch * 1.97inch * 1.97inch Qty per Carton 500 Carton Weight 10.00kgs / 22.05lb Carton Size 39cm * 39cm * 39cm / 15.35inch * 15.35inch * 15.35inch Loading Container 20GP: 449 cartons * 500 pcs = 224500 pcs 40HQ: 1043 cartons * 500 pcs = 521500 pcs

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Overview Due to the advantages of ultra-low power consumption, wide viewing angle, and clear display without electricity, it is an ideal choice for applications such as shelf labels and industrial instruments. Features 1. Without backlight, the last content can be displayed for a long time even if it is turned off 2. Ultra-low power consumption, basically only need to refresh the power supply 3. Attached with development resources and manuals (example of Arduin-esp32) Product specifications 1. Working voltage: 3.3V 2. Interface: 3-wire SPI, 4-wire SPI 3. Display color: black, white 4. Grayscale: 2 5. Full refresh time: 8s 6. Refresh power: 26.4mW (typical value) 7. Driver chip: DEPG0213BN ESP32 features: 1. Immersion Gold Craft 2. High cost performance 3. Small size, easy to embed other products 4. Powerful function supports LWIP protocol, Freertos 5. WiFi supports three modes: AP, STA and AP + STA 6. Support Windows system (cygwin and msys32) and Linux system 7. Support Arduino-ide, ESP-IDF, Micropython multiple development environments 8. Support Lua program, easy developmentSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 6cm * 1cm / 3.94inch * 2.36inch * 0.39inch Qty per Carton 300 Carton Weight 9.00kgs / 19.84lb 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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Features1. Using Bluetooth 5.0 main control chip, good transmission effect and high stability 2. With button control, there are control up and down music, volume addition and subtraction, playback, pause, switch machine, etc., and reserved high and low level control interfaces, regardless of daily use, and DIY modification, it is very playable 3. Micro 5 Pin interface power supply, ordinary mobile phone charger charging cable can be used. 4. Product use: Bluetooth audio signals from mobile phones, laptops, and tablets can be transmitted to power amplifiers, active speakers and other devices through this Bluetooth audio receiver. The audio interface can also be connected to ordinary headphones with a 3.5mm interface. The headset becomes a Bluetooth headset (without a microphone, voice chat is not supported)Specification1. Power interface: Micro 5 Pin (reserved 2.5mm welding port, this model does not support battery power supply) 2. Input voltage: 3.7V-5V 3. Signal-to-noise ratio: 90DB 4. THD+N: -70DB 5. Crosstalk: -86db 6. DNR: 91dB 7. Transmission protocol: A2DP/AVCTP/AVDTP/HFP 8. Transmission distance: about 10 meters (the shorter the distance, the better the stability) 9. Output interface: 3.5mm stereo (reserved soldering points, you can DIY by yourself) 10 Dimensions: 30mm x 30mmSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 15cm * 12cm * 1cm / 5.91inch * 4.72inch * 0.39inch Qty per Carton 300 Carton Weight 3.80kgs / 8.38lb 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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1. Interface standard: compliant with RS485 standard2. Physical interface: RS485 wiring terminal3. Communication rate: 300-460800bps baud rate (adaptive)4. Support points: each RS485 interface can support up to 32 nodes5. Communication distance: 1200m (9600bps), the higher the communication rate, the shorter the distance6. Working mode: RS485 two-wire (A, B), half-duplex transparent transmission7. Power supply voltage: DC 9-24V8. Transmission medium: ordinary parallel wire/twisted pair9. Size: about 12.1 x 7.2 x 3cmFeatures:1. 8-way RS485 slave port can be extended by one 485 master port with isolation and relay2. RS485 network relay, extension and isolation functions can be realized3. The isolated RS485 interface at the RS485 master port can be connected to RS485 master control devices, and the extended 8-way isolated RS485 interface can be externally connected to various RS485 slave devices, such as RS485 sensors, etc.4. Built-in optoelectronic isolation protection circuit, RS485 master and slave devices are isolated, which can effectively protect RS485 master and slave devices from the damage of ground potential difference between devices, static electricity, surge, which can be applied to industrial environment with high requirements of reliability and safety5. Wide baud rate range, support 300-460800bps wide baud rate communication range (self-adaptive)6. Support 35mm standard rail with rail clips, easy to installSpecification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs 40HQ: 412 cartons * 146 pcs = 60152 pcs

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Specification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 13cm * 9cm * 6cm / 5.12inch * 3.54inch * 2.36inch Qty per Carton 50 Carton Weight 21.00kgs / 46.30lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 50 pcs = 31650 pcs 40HQ: 1470 cartons * 50 pcs = 73500 pcs

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Specification: Package Weight One Package Weight 0.38kgs / 0.83lb One Package Size 13cm * 9cm * 6cm / 5.12inch * 3.54inch * 2.36inch Qty per Carton 50 Carton Weight 21.00kgs / 46.30lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 50 pcs = 31650 pcs 40HQ: 1470 cartons * 50 pcs = 73500 pcs

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g Specification: Package Weight One Package Weight 0.43kgs / 0.94lb One Package Size 13cm * 9cm * 6cm / 5.12inch * 3.54inch * 2.36inch Qty per Carton 50 Carton Weight 22.00kgs / 48.50lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 50 pcs = 31650 pcs 40HQ: 1470 cartons * 50 pcs = 73500 pcs

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Thermostat parameters: 1. Voltage: 220V 2. Opening size: 45x45mm 3. Control method: PID control 4. Input method: K/EPT100 (optional) 5. Output mode: SSR solid state relay 6. Product size: 48x48x110mm Solid state module parameters: 1. Control method: DC control AC 2. Input voltage: 3-32V DC 3. Ambient temperature: -30 degrees Celsius to +70 degrees Celsius 4. Working frequency: 50-60Hz 5. Control current: 3-35mADC 6. Product size: 45x27x58mm 7. Product weight: 81g Screw type thermocouple parameters: 1. Model: K type 2. Screw specification: M6 inch 3. Lead length: 1 meter 4. Measuring range: 0-400 degrees Celsius 5. Wiring terminal: U-shaped terminal 6. Product weight: 16g Heat sink parameters: 1. Material: aluminum 2. Size: 50x50x82mm 3. Hole distance: 48mm 4. Product weight: 61g Specification: Package Weight One Package Weight 0.43kgs / 0.94lb One Package Size 13cm * 9cm * 6cm / 5.12inch * 3.54inch * 2.36inch Qty per Carton 50 Carton Weight 22.00kgs / 48.50lb Carton Size 47cm * 32cm * 28cm / 18.5inch * 12.6inch * 11.02inch Loading Container 20GP: 633 cartons * 50 pcs = 31650 pcs 40HQ: 1470 cartons * 50 pcs = 73500 pcs

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1. The cooling fan with fan case. 2. Cooling fan fit for Raspberry Pi 3B / 2B / B+. 3. Install it on your mini computer case. 4. It helps to exhaust the hot air from inside the computer case. Improve air flow in your system. Cool down the entire case. Extend your system life span and make the computer work better.Specification: General Model C0062 Material Plastic Noise 18 dB Size 30x30x8mm Weight 6g Bearing Double micro-fine bearings Rated Voltage DC 5V Product Working Voltage 4.5-5V Current 0.2A Air Volume 5 m3 / h Number of Revolutions 13200 RPM Package Include Package Contents 1 x Cooling Fan 1 x Screws Parts Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 6cm * 4.5cm * 1cm / 2.36inch * 1.77inch * 0.39inch Qty per Carton 400 Carton Weight 8.40kgs / 18.52lb Carton Size 26cm * 22cm * 25cm / 10.24inch * 8.66inch * 9.84inch Loading Container 20GP: 1864 cartons * 400 pcs = 745600 pcs 40HQ: 4329 cartons * 400 pcs = 1731600 pcs

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About the ProductThis 3.5 inch touch screen module is designed especially for Raspberry Pi, using the latest Linux Core system (vision 3.18.9), the latest Raspberry Pi official UI desktop file system and the fastest SPI transmission data, an ideal alternative solution for HDMI monitor and convenient Men-Machine interface for Raspberry Pi, combined with the portable power, DIY anywhere anytime.Features1. LCD Interface: SPI. 2. Touch Screen Controller: XPT2046. 3. Backlight: LED. 4. LCD Type: TFT. 5. Resolution: 320*480 DOTS. 6. Core System: vision 3.18.9. 7. SPI Speed: 32MHz. 8. Color Levels Index: 65536. 9. Power Consumption/Backlight Current: TBD. 10. Supports Raspbian system, enables your system to: - Play videos (supports multi formats, MP4 and so on). - Take photos by touching (up to 17 camera modes). - Support software keyboard (system interaction without keyboard/mouse). - Support driver is installed automatically.Specification: General Model C0278 Size 8.6*5.6*2cm Weight 51g LCD Interface SPI Touch Screen Controller XPT2046 LCD Type TFT Resolution 320*480 DOTS Core System Vision 3.18.9 SPI Speed 32MHz Power Consumption/Backlight Current TBD Package Include Package Contents 1 x LCD Touchscreen 1 x Stylus Pen Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 12cm * 7cm * 3.5cm / 4.72inch * 2.76inch * 1.38inch Qty per Carton 100 Carton Weight 8.70kgs / 19.18lb Carton Size 37cm * 37cm * 26cm / 14.57inch * 14.57inch * 10.24inch Loading Container 20GP: 749 cartons * 100 pcs = 74900 pcs 40HQ: 1739 cartons * 100 pcs = 173900 pcs

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1. 5 million pixels mini camera. 2. Support 1080P resolution. 3. Static picture resolution is 2592 x 1944. 4. Support 1080P 30, 720P 60 and 640x480P 60 / 90 video recording.Specification: General Model C0733 Size 60x11.5x5mm Resolution 1080p Sensor OV5647 Camera 5MP CCD Size 1/4inch Package Include Package Contents 1 x Camera Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 6cm * 2cm * 1cm / 2.36inch * 0.79inch * 0.39inch Qty per Carton 400 Carton Weight 16.40kgs / 36.16lb Carton Size 22cm * 22cm * 14cm / 8.66inch * 8.66inch * 5.51inch Loading Container 20GP: 3935 cartons * 400 pcs = 1574000 pcs 40HQ: 9135 cartons * 400 pcs = 3654000 pcs

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1. 5 million pixels camera. 2. Support 1080P resolution. 3. Static picture resolution is 2592 x 1944. 4. Support 1080P 30, 720P 60 and 640x480P 60 / 90 video recording. 5. The product is used for Raspberry Pi 3 / 2 / B+.Specification: General Resolution 1080p Sensor OV5647 Camera 5MP Package Include Package Contents 1 x Camera Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 12cm * 8cm * 5cm / 4.72inch * 3.15inch * 1.97inch Qty per Carton 60 Carton Weight 4.60kgs / 10.14lb Carton Size 42cm * 32cm * 26cm / 16.54inch * 12.6inch * 10.24inch Loading Container 20GP: 763 cartons * 60 pcs = 45780 pcs 40HQ: 1771 cartons * 60 pcs = 106260 pcs

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feature1.HOLD data retention2.MAX maximum / MIN minimum3.UN VOL, UNIT switch unit in PPM, (MG / M ^ 3)4. Alarm settings5. Calibration6. On/Off (timed shutdown)Specification1. Measurement range: 0~1000ppm; 0~0.1%VOL; 0~0.8%LEL; 0~1250mg / M ^ 32. Maximum overload: 2000PPM3. Response time: <30 seconds4. Ambient temperature: 0~50°C (32~122°F)5. Use ambient humidity: 15~90% RH Package Included1 x carbon monoxide detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.66kgs / 1.44lb One Package Size 27.3cm * 19.6cm * 6.6cm / 10.75inch * 7.72inch * 2.6inch Qty per Carton 30 Carton Weight 15.00kgs / 33.07lb Carton Size 76cm * 54cm * 18cm / 29.92inch * 21.26inch * 7.09inch Loading Container 20GP: 360 cartons * 30 pcs = 10800 pcs 40HQ: 838 cartons * 30 pcs = 25140 pcs

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specification1. Measurement range: 0~25% VOL2. Maximum overload: 30% oxygen3. Response time: <15 seconds4. Sensor type: electromagnetic O2 sensor5. Use ambient humidity: 15~90% RH6. Power: 3X1.5VAA battery Package Included1 x Oxgen gas detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 28cm * 21cm * 7cm / 11.02inch * 8.27inch * 2.76inch Qty per Carton 7 Carton Weight 7.00kgs / 15.43lb Carton Size 48cm * 32cm * 24cm / 18.9inch * 12.6inch * 9.45inch Loading Container 20GP: 723 cartons * 7 pcs = 5061 pcs 40HQ: 1679 cartons * 7 pcs = 11753 pcs

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Features Color-screen display, user-friendly interface.Bilingual choices:Chinese/English.Three alarm forms:sound/light/vibration .Data recording and review function, continuously record120,000 data logging.Charging function. Specification Gas detection:COMeasurement Range: 0~100μmo/molResolution: 1 Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm Response Time(90%): Less than 30 seconds Alarm: Sound and light vibration alarm Alarm Point: Adjustable Working Voltage: DC3.7V, 1800mAh Battery Model: LP103450-1800mAh rechargeable lithium batteryExplosion-proof Certificate NO.: CNEx 18.5122Explosion-proof Mark: Ex ib IIB T3 GbOperating Conditions: -20～50℃ / -4～122℉, < 95%Storage Conditions: -10～55℃ / 14～122℉, < 85%charging time:6-8hstandby time:more than 8h on end (slightly change with working state)Weight: 215.4g(with battery and back buuton)Item Size: 71 * 153* 49mm Package included 1 * Carbon Monoxide Monitor1 * Plastic Pipe1 * USB Cable1 * Gas Calibration Cover1 * Storage Box1 * User ManualSpecification: General Certificate CE Package Weight One Package Weight 0.83kgs / 1.83lb One Package Size 29cm * 18.5cm * 8cm / 11.42inch * 7.28inch * 3.15inch Qty per Carton 38 Carton Weight 30.00kgs / 66.14lb Carton Size 90cm * 62cm * 29cm / 35.43inch * 24.41inch * 11.42inch Loading Container 20GP: 164 cartons * 38 pcs = 6232 pcs 40HQ: 382 cartons * 38 pcs = 14516 pcs

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