New Arrivals

1. Built-in silent cooling fan, fast heat dissipation to ensure stable and efficient output2. Compatible with a variety of mobile power supply, maintenance and debugging at any time and anywhere3. Can work independently or stacked flexibly4. Mini size, higher sensitivity5. Precision CNC machining, full aluminum alloy plating shell, durable and rust resistant6. OLED display, tempered glass surface for clearer display7. 4mm gold-plated output connector, positive and negative red and blue status indicators8. 24-color colorful light dial wheel set up at will, the display and control interface color block and its intelligent echo when on-line9. Built-in high-performance MCU chip, powerful function10. Programmable output advanced features, custom program output law11. Can be preset parameters and firmware upgrades, a wide range of application scenariosParameters:1. Input: DC4.2V-30V 14A; QC3.0/PD2.0 20V 5A2. Output: 0-30V 0-10A 300W3. Conversion efficiency: 95 percent4. Output resolution: 10mV, 2mA; through the line control module settings up to 1mV, 1mA5. Output accuracy: 0.03 percent+5mV, 0.05 percent+2mA6. Adjustment rate: Load adjustment rate is less than +/-0.01 percent; power supply adjustment rate is less than +/-0.01 percent7. Ripple and noise: less than 250uVrms, 3mVpp; less than 2mArms8. Transient response time: less than 4uS9. Safety protection: input overvoltage, undervoltage, reverse connection protection, output overcurrent, backflow, over-temperature protection10. Other features: automatic shutdown, enter micro-power mode, support USB firmware upgrade11. Size: 112 x 66 x 20mm12. Weight: 181gPacking list:- MDP-P906 x 1- Output data cable x 2- Instructions for use x 1Specification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 36 Carton Weight 13.50kgs / 29.76lb Carton Size 44cm * 31cm * 22cm / 17.32inch * 12.2inch * 8.66inch Loading Container 20GP: 888 cartons * 36 pcs = 31968 pcs 40HQ: 2062 cartons * 36 pcs = 74232 pcs

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1. Type: logic ICs2. Supply voltage: 6-9V recommended3. MCU: ATmega3284. WiFi MCU: ESP82665. USB converter: CH340G6. Pin output Un: Un R37. UN +WiFi R3 ATmega328P+ESP8266 (32Mb memory), USB-TTL CH340G; Compatible with Ar Un, NodeMCU, WeMos ESP82668. Weight: about 21.6 g9. Size: about 6.9 x 5.3 cmSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 540 Carton Weight 13.00kgs / 28.66lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 540 pcs = 236520 pcs 40HQ: 1018 cartons * 540 pcs = 549720 pcs

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1. The module adopts relay, normally open interface large load: AC 250V/10A, DC 30V/10A2. Using chip optocoupler isolation, strong driving ability, stable performance; trigger current 5mA3. Module operating voltage 5V, 12V, 24V for choice4. Module can be set through the jumper high level or low level trigger5. Fault-tolerant design, even if the control line is broken, the relay will not be activated6. Power indicator (green), relay status indicator (red)7. Interface design humanization, all interfaces can be directly connected through the terminal leads, very convenient8. Size: about 5 x 2.6 x 1.85 cm, with 4 fixing bolt holes, holes about 3.1 mm, spacing about 44.5 x 20.5 mm-Module interfaces:1. DC+: connect to power supply positive (voltage according to relay requirements, 5V, 12V and 24V options)2. DC-: connect to power negative3. IN: can be high or low level to control the relay to close-Relay output:1. NO: normally-open relay interface, vacant before the relay is engaged, and shorted to COM after the relay is engaged2. COM: relay common interface3. NC: normally closed relay interface, shorted to COM before the relay is activated, and left open after the relay is activated-High and low level trigger selection terminal:1. Low level trigger when jumper is shorted to low2. High level trigger when jumper is shorted to highSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 8cm * 22cm * 3cm / 3.15inch * 8.66inch * 1.18inch Qty per Carton 60 Carton Weight 8.30kgs / 18.30lb Carton Size 50cm * 24cm * 32cm / 19.69inch * 9.45inch * 12.6inch Loading Container 20GP: 694 cartons * 60 pcs = 41640 pcs 40HQ: 1612 cartons * 60 pcs = 96720 pcs

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1. Control frequency: 25KHZ2. Limit power: 1200W3. Input voltage: DC10-60V4. Output voltage: linear under load5. Speed regulation type: current regulation6. Speed regulation mode: potentiometer (linear)7. Wiring type: fence type terminals8. Output limit current: 20A (long time use 10A, 450W or less, pay attention to keep the module smooth heat dissipation conditions)9. Make sure the positive and negative connections are correct before powering on, and do not contact the heat sink, as it may burn the circuit board10. Note that this is not a power module, must be connected to the motor in order to adjust the speed, not connected to the motor multimeter output did not change11. Weight: about 76.4 g12. Size: module about 7.7 x 4.5 x 2.8 cm, motherboard mounting size about 7.3 x 4 cm, potentiometer mounting holes about 0.7 cm, knob wire length about 20 cmPlease note:1. This speed controller is intended for use with brush DC motors2. It is not suitable for DC brushless motors; nor can it be used as a voltage regulator or voltage stabilizerSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 250 Carton Weight 18.50kgs / 40.79lb Carton Size 53cm * 39cm * 31cm / 20.87inch * 15.35inch * 12.2inch Loading Container 20GP: 416 cartons * 250 pcs = 104000 pcs 40HQ: 966 cartons * 250 pcs = 241500 pcs

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1. Water level detection switch supports DC/AC 12V power supply2. Application: suitable for water tower pool, fish tank or other liquid level control system3. 1 channel relay on board for controlling the connected water pump to pump or dewater4. Just ordinary wire can be used as a liquid level sensor (both ends need to be stripped 2cm long), easy DIY5. Small size, easy wiring, low power consumption, large switching capacity, strong anti-interference, high functional stability6. It can realize the pool (water tower) automatically turn on the water pump (solenoid valve) to pump water when the water is short of water, and automatically stop the water pump (solenoid valve) when the water is full7. Size: about 6 x 4.4 cmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 500 Carton Weight 31.10kgs / 68.56lb Carton Size 52cm * 37cm * 32cm / 20.47inch * 14.57inch * 12.6inch Loading Container 20GP: 433 cartons * 500 pcs = 216500 pcs 40HQ: 1005 cartons * 500 pcs = 502500 pcs

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1. The module adopts relay, normally open interface large load: AC 250V/10A, DC 30V/10A2. Using chip optocoupler isolation, strong driving ability, stable performance; trigger current 5mA3. Module operating voltage 5V, 12V, 24V for choice4. Module can be set through the jumper high level or low level trigger5. Fault-tolerant design, even if the control line is broken, the relay will not be activated6. Power indicator (green), relay status indicator (red)7. Interface design humanization, all interfaces can be directly connected through the terminal leads, very convenient8. Size: about 5 x 2.6 x 1.85 cm, with 4 fixing bolt holes, holes about 3.1 mm, spacing about 44.5 x 20.5 mm-Module interfaces:1. DC+: connect to power supply positive (voltage according to relay requirements, 5V, 12V and 24V options)2. DC-: connect to power negative3. IN: can be high or low level to control the relay to close-Relay output:1. NO: normally-open relay interface, vacant before the relay is engaged, and shorted to COM after the relay is engaged2. COM: relay common interface3. NC: normally closed relay interface, shorted to COM before the relay is activated, and left open after the relay is activated-High and low level trigger selection terminal:1. Low level trigger when jumper is shorted to low2. High level trigger when jumper is shorted to highSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8cm * 6cm * 3cm / 3.15inch * 2.36inch * 1.18inch Qty per Carton 360 Carton Weight 11.90kgs / 26.23lb 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. The module adopts relay, normally open interface large load: AC 250V/10A, DC 30V/10A2. Using chip optocoupler isolation, strong driving ability, stable performance; trigger current 5mA3. Module operating voltage 5V, 12V, 24V for choice4. Module can be set through the jumper high level or low level trigger5. Fault-tolerant design, even if the control line is broken, the relay will not be activated6. Power indicator (green), relay status indicator (red)7. Interface design humanization, all interfaces can be directly connected through the terminal leads, very convenient8. Size: about 5 x 2.6 x 1.85 cm, with 4 fixing bolt holes, holes about 3.1 mm, spacing about 44.5 x 20.5 mm-Module interfaces:1. DC+: connect to power supply positive (voltage according to relay requirements, 5V, 12V and 24V options)2. DC-: connect to power negative3. IN: can be high or low level to control the relay to close-Relay output:1. NO: normally-open relay interface, vacant before the relay is engaged, and shorted to COM after the relay is engaged2. COM: relay common interface3. NC: normally closed relay interface, shorted to COM before the relay is activated, and left open after the relay is activated-High and low level trigger selection terminal:1. Low level trigger when jumper is shorted to low2. High level trigger when jumper is shorted to highSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 8cm * 12cm * 3cm / 3.15inch * 4.72inch * 1.18inch Qty per Carton 180 Carton Weight 11.90kgs / 26.23lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 180 pcs = 78840 pcs 40HQ: 1018 cartons * 180 pcs = 183240 pcs

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1. Output range: 0-20mA, 4-20mA, 0-22mA, 0-1V, 0-5V, 0-10V, 0-2.5V, 0-3.3V, -5V to 5V, 1-5V, 2- 10V, etc. can be switched and adjustable. 2. Display mode: actual current/voltage signal value display, 0.0-100%, 0.0-50.0(Hz), switchable. 3. The user can set 9 fast signal output points, which is more convenient for debugging. 4. Support 24V working power for terminal blocks and 5V working power for USB ports, which can be used in indoor or outdoor industrial sites 5. The output accuracy can be calibrated by the user, the output accuracy is 0.01V, 0.01mA, and the LED display output signal value is accurate. 6. The adjustment steps can be fine-tuned or coarse-tuned, and can be switched. 7. The signal generator has short circuit protection circuit and reverse polarity protection circuit. 8. The default output range is 0-10V, 0-20mA, and the user can adjust it to output -10V to -10V, 4-20mA and other output ranges. 9. Battery: 800mAhSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 18cm * 11cm * 7cm / 7.09inch * 4.33inch * 2.76inch Qty per Carton 80 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 42cm * 32cm / 18.5inch * 16.54inch * 12.6inch Loading Container 20GP: 422 cartons * 80 pcs = 33760 pcs 40HQ: 980 cartons * 80 pcs = 78400 pcs

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1. AC/DC12-16V power supply, distinguish between AC and DC input terminals. L, G, R: These are the dual-channel input terminals of the driver board, which can be connected to the audio of mobile phones, computer sound cards, preamplifiers and other audio source devices (the signal is the signal that the headphones can hear), and the amplifier output terminal to get the signal. When wiring, L, G, and R correspond to the left, ground, and right channels of the audio source device respectively. If the input is a mobile phone, computer sound card, preamplifier and other audio sources, please turn the dip switches 1 and 3 to the ON end. 1. AC/DC12-16V power supply, distinguish between AC and DC input terminals2. L, G, R: This is the dual-channel input terminal of the driver board, which can be connected to the audio of mobile phones, computer sound cards, preamplifiers and other audio source devices (the signal is the signal that can be heard by headphones), and the output of the power amplifier. When wiring, L, G, and R correspond to the left, ground, and right channels of the audio source device respectively. If the input is a mobile phone, computer sound card, preamplifier and other audio sources, please turn the dip switches 1 and 3 to the "ON" end. If the input is the output of the power amplifier, please turn the dip switches 2 and 4 to the "ON" end. The signal will be compressed 11 times. Note that the dip switches 1 to 4 cannot be turned to the "ON" end at the same time.3. The adjustable potentiometer "100R-V" is used to adjust the brightness of the vu meter backlight4. The adjustable potentiometers "50k-1" and "50k-2" control the pointer jump amplitude of VU meter 1 and VU meter 2 respectively5. Made of high-quality glass fiber ABS material6. The driver board components are finely manufactured and durable7. Stable performance makes the VU meter better, the pointer swings quickly, the response is sensitive, the wide range voltage stabilization circuit, and the working performance is more stable8. This driver board supports low access, has adjustable brightness and darkness backlight, and intelligent driveSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 14cm * 11cm * 6cm / 5.51inch * 4.33inch * 2.36inch Qty per Carton 45 Carton Weight 2.80kgs / 6.17lb Carton Size 44cm * 35cm * 32cm / 17.32inch * 13.78inch * 12.6inch Loading Container 20GP: 541 cartons * 45 pcs = 24345 pcs 40HQ: 1256 cartons * 45 pcs = 56520 pcs

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Touch version features: 1. RP2040 microcontroller chip designed with Raspberry Pi 2. Equipped with dual-core ARM Cortex MO0+ processor, running at up to 133MHz flexible clock 3. Built-in 264KB SRAM and 16GB onboard Flash 4. Adopts Type-C interface, no need to worry about whether to insert it forward or backward 5. Onboard 1.28-inch capacitive touch LCD screen, 240??240 resolution, 65K color 6. Onboard lithium battery charging and discharging interface, which is conducive to mobile scene use 7. The upper shell is made of CNC metal material, and the back is equipped with an acrylic frosted bottom plate 8. USB1.1 host and device support 9. Support low-power sleep and hibernation modes 10. Can be identified as a large-capacity storage through USB for drag-and-drop program download 11. Accurate on-chip clock and timer 12. Temperature sensor 13. 6 GPIOs are brought out through the SH1.0 connector Packing list: -Display x 1 -Connection cable x 1Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 7cm * 4cm / 3.94inch * 2.76inch * 1.57inch Qty per Carton 189 Carton Weight 10.60kgs / 23.37lb Carton Size 32cm * 51cm * 38cm / 12.6inch * 20.08inch * 14.96inch Loading Container 20GP: 429 cartons * 189 pcs = 81081 pcs 40HQ: 998 cartons * 189 pcs = 188622 pcs

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1. For Raspberry Pi 5 to connect DSI display2. 22Pin to 15Pin3. 200 / 300 / 500mm optional4. Made of high-quality material, flexible and durable5. The picture is for display only, DSI cable and CSI cable cannot be mixed6. Note: Only DSI cable will be shipped, no other!Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 14cm * 8cm * 2cm / 5.51inch * 3.15inch * 0.79inch Qty per Carton 192 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 34cm * 50cm / 11.81inch * 13.39inch * 19.69inch Loading Container 20GP: 522 cartons * 192 pcs = 100224 pcs 40HQ: 1213 cartons * 192 pcs = 232896 pcs

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1. For Raspberry Pi 5 to connect DSI display2. 22Pin to 15Pin3. 200 / 300 / 500mm optional4. Made of high-quality material, flexible and durable5. The picture is for display only, DSI cable and CSI cable cannot be mixed6. Note: Only DSI cable will be shipped, no other!Specification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 17cm * 8cm * 2cm / 6.69inch * 3.15inch * 0.79inch Qty per Carton 192 Carton Weight 9.00kgs / 19.84lb Carton Size 36cm * 34cm * 50cm / 14.17inch * 13.39inch * 19.69inch Loading Container 20GP: 435 cartons * 192 pcs = 83520 pcs 40HQ: 1011 cartons * 192 pcs = 194112 pcs

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Without touch panel function:1. RP2040 microcontroller chip designed by Raspberry Pi2. Equipped with dual-core ARM Cortex M0+ processor, running frequency up to 133MHz flexible clock3. Built-in 264KB SRAM and 2MB onboard Flash4. Adopt Type-C interface, no need to worry about forward and reverse insertion5. Onboard 1.28-inch 240×240 resolution, 65K color IPS LCD display, can clearly display color pictures6. Onboard lithium battery charging and discharging interface, which is conducive to mobile scene use7. The upper shell is made of CNC metal material, and the back is equipped with acrylic frosted bottom plate8. All GP10 are led out through 1.27 pitch female headers (a total of 30, but some pins have been connected to the internal circuit, and attention should be paid when reused. Please refer to wiki for details)9. USB1.1 host and device support10. Supports low-power sleep and hibernation modes11. Can be identified as a large-capacity storage device through USB for drag-and-drop program download12. 2 SPI, 2 I2C, 2 UART, 4 12-bit ADC and 16 controllable PWM channels13. Accurate on-chip clock and timer14. Temperature sensor15. On-chip accelerated floating-point library16. 8 programmable I/O (PIO) state machines for custom peripheral supportPacking list:-Display x 1Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 7cm * 4cm / 3.94inch * 2.76inch * 1.57inch Qty per Carton 189 Carton Weight 10.60kgs / 23.37lb Carton Size 32cm * 51cm * 38cm / 12.6inch * 20.08inch * 14.96inch Loading Container 20GP: 429 cartons * 189 pcs = 81081 pcs 40HQ: 998 cartons * 189 pcs = 188622 pcs

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1. For Raspberry Pi 5 to connect DSI display2. 22Pin to 15Pin3. 200 / 300 / 500mm optional4. Made of high-quality material, flexible and durable5. The picture is for display only, DSI cable and CSI cable cannot be mixed6. Note: Only DSI cable will be shipped, no other!Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 22cm * 10cm * 2cm / 8.66inch * 3.94inch * 0.79inch Qty per Carton 108 Carton Weight 7.60kgs / 16.75lb Carton Size 46cm * 32cm * 38cm / 18.11inch * 12.6inch * 14.96inch Loading Container 20GP: 476 cartons * 108 pcs = 51408 pcs 40HQ: 1106 cartons * 108 pcs = 119448 pcs

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1. For Raspberry Pi 5th generation2. Made of aluminum alloy, high hardness and strong pressure resistance3. The shell has reserved GPIO slots and various interfaces4. Built-in 30mm PWM fan, good heat dissipation effect5. Equipped with anti-skid pad and power button6. Simple installation and convenient operation7. Product size: Standard version: 95.5 x 71.5 x 30mm, upgraded version: 95.2 x 71.4 x 40mm8. Note: The delivery does not include Raspberry Pi 5 motherboard and M.2 hard drive!Packing list:-Standard version: chassis x 1, thermal paste x 2, slot cover x 1, anti-skid pad x 1, screws x 4-M.2 upgraded version: chassis x 1, thermal paste x 2, connecting wire x 2, anti-skid pad x 1, interface cover x 1, screws x 4Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 13cm * 7cm / 7.09inch * 5.12inch * 2.76inch Qty per Carton 28 Carton Weight 7.00kgs / 15.43lb Carton Size 38cm * 28cm * 51cm / 14.96inch * 11.02inch * 20.08inch Loading Container 20GP: 491 cartons * 28 pcs = 13748 pcs 40HQ: 1140 cartons * 28 pcs = 31920 pcs

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1. For Raspberry Pi 5th generation2. Made of aluminum alloy, high hardness and strong pressure resistance3. The shell has reserved GPIO slots and various interfaces4. Built-in 30mm PWM fan, good heat dissipation effect5. Equipped with anti-skid pad and power button6. Simple installation and convenient operation7. Product size: Standard version: 95.5 x 71.5 x 30mm, upgraded version: 95.2 x 71.4 x 40mm8. Note: The delivery does not include Raspberry Pi 5 motherboard and M.2 hard drive!Packing list:-Standard version: chassis x 1, thermal paste x 2, slot cover x 1, anti-skid pad x 1, screws x 4-M.2 upgraded version: chassis x 1, thermal paste x 2, connecting wire x 2, anti-skid pad x 1, interface cover x 1, screws x 4Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 13cm * 7cm / 7.09inch * 5.12inch * 2.76inch Qty per Carton 28 Carton Weight 7.00kgs / 15.43lb Carton Size 38cm * 28cm * 51cm / 14.96inch * 11.02inch * 20.08inch Loading Container 20GP: 491 cartons * 28 pcs = 13748 pcs 40HQ: 1140 cartons * 28 pcs = 31920 pcs

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1. Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240MHz2. Support 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth 5 (LE), onboard antenna3. Built-in 512KB SRAM and 384KB ROM, stacked 2MB PSRAM and external 16MB Flash4. Adopt Type-C interface, keep up with the trend of the times, no need to worry about whether to insert it forward or backward5. Onboard 1.28-inch capacitive touch LCD screen, 240×240 resolution, 65K color6. Onboard QM18658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), can detect motion posture7. Onboard 3.7V MX1.25 lithium battery charging and discharging interface ?8. Lead out 6 GPIO SH1.0 connector9. Supports flexible clock, module power individual setting and other precise control, realizing multi-scenario low power consumption mode10. Integrated USB serial port full-speed controller, GPIO can flexibly configure peripheral functionsSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 10cm * 10cm * 2cm / 3.94inch * 3.94inch * 0.79inch Qty per Carton 216 Carton Weight 9.80kgs / 21.61lb Carton Size 32cm * 32cm * 50cm / 12.6inch * 12.6inch * 19.69inch Loading Container 20GP: 520 cartons * 216 pcs = 112320 pcs 40HQ: 1209 cartons * 216 pcs = 261144 pcs

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1. Working current: less than 10mA2. Display mode: LED indicator3. Refresh speed: 500ms/time4. Operating voltage: DC5V-30V5. Adopt international standard size, easy to install6. The first time the product is powered on, the default voltage is 3 series of lithium ternary batteries7. In the normal display state, such as no operation within 10 seconds of the key, the product automatically shut down the display and enter the low-power, you can also manually short press the key to turn off the display into the low-power8. When the product is off, short press the button to turn on and display the power consumption9. Size: 46 x 15 x 3mmAttention:1. Please do not exceed the operating voltage, exceeding the operating voltage will damage the product2. Do not use the product outdoors, the product is not waterproofSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 4cm * 3cm / 3.15inch * 1.57inch * 1.18inch Qty per Carton 570 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 570 pcs = 234840 pcs 40HQ: 958 cartons * 570 pcs = 546060 pcs

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1. Using DDS algorithm, the frequency step value can reach 0.001HZ, and the frequency stability is good.2. This product can not only output 7.830Hz Schumann wave, but also adds programmable frequency modulation technology, which can adjust the frequency in the range of 0.001Hz~200KHz (it can also be used as an ordinary programmable digital signal generator).3. Digital crystal frequency reference, more stable and stronger anti-interference;4. The power interface adopts DC5.5 x 2.1 interface, which is easy to use. The USB end can be plugged into the power supply or USB charging head or other USB power supply devices to work.5. Small and portable, easy to use interfaceSpecifications:1. Material: electronic components2. Power supply: DC5V, through USB interface3. Frequency range: 0.001Hz to 200KHz adjustable4. Frequency stability: DDS algorithm, step value is 0.001Hz5. Output: 7.83Hz Schumann resonance and programmable frequencySpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 17cm * 5cm / 7.09inch * 6.69inch * 1.97inch Qty per Carton 40 Carton Weight 9.10kgs / 20.06lb Carton Size 38cm * 36cm * 42cm / 14.96inch * 14.17inch * 16.54inch Loading Container 20GP: 464 cartons * 40 pcs = 18560 pcs 40HQ: 1077 cartons * 40 pcs = 43080 pcs

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1. Compatible with Raspberry Pi 40 PIN GPIO interface, plug and play2. Integrated EEPROM storage chip, automatically loads board configuration, simplifies development process3. Standardized size, highly compatible with Raspberry Pi size4. Supports Raspberry Pi 40 PIN GPIO interface power supply5. NVMe protocol dual M.2 interface hard disk, high-speed reading and writing, improves work efficiency6. Can be connected to PI5 through 16PIN cable7. Compatible with 2280/2260/2242/2230 size M.2 hard disk8. Only supports PCIE x1 Gen2, supports booting PI5 from SSD9. Onboard LED indicator, device status is clear at a glance10. Onboard power monitoring chip and EEPROM, instant feedback on power status, more stable operation11. Application field: specially designed for Raspberry Pi 512. Product size: 85 x 56.5mm13. Weight: 65gPacking list:-Adapter board x 1-16PIN PCIe cable x 1-2 x 20 linear mounts x 1-Screw pack x 1Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 14cm * 10cm * 3cm / 5.51inch * 3.94inch * 1.18inch Qty per Carton 96 Carton Weight 10.70kgs / 23.59lb Carton Size 30cm * 32cm * 50cm / 11.81inch * 12.6inch * 19.69inch Loading Container 20GP: 555 cartons * 96 pcs = 53280 pcs 40HQ: 1289 cartons * 96 pcs = 123744 pcs

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1. Equipped with high-performance RISC-V 32-bit processor and low-power RISC-V 32-bit processor, the high-performance processor has a main frequency of up to 160MHz, and the low-power processor clock can reach 20MHz2. Integrates 320 XB ROM, 512 KB HP SRAM, 16 3. Supports 2.4 GHz WiFi and low-power Bluetooth (Bluetooth LE) dual-mode wireless communication, with excellent RF performance4. Adopts stamp hole design, onboard ceramic antenna, convenient for integration into the baseboard designed by the user5. Supports flexible clock, module power supply separate setting and other controls to achieve multi-scenario low-power mode6. Onboard USB Type-C interface, leading to 22 GPIOs for flexible configuration of peripheral functionsSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 10cm * 8cm * 2cm / 3.94inch * 3.15inch * 0.79inch Qty per Carton 288 Carton Weight 5.50kgs / 12.13lb Carton Size 32cm * 34cm * 50cm / 12.6inch * 13.39inch * 19.69inch Loading Container 20GP: 490 cartons * 288 pcs = 141120 pcs 40HQ: 1137 cartons * 288 pcs = 327456 pcs

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1. Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240MHz2. Support 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth5 (LE), onboard antenna3. Built-in 512KB SRAM and 384KB ROM, stacked 8 MB Flash and 8 MB PSRAM4. Onboard 7-inch capacitive touch screen, 800×480 resolution, 65K color5. Support I2C interface to control capacitive touch, 5-point touch, support interrupt6. Onboard CAN, RS485, I2C interface and Micro SD card holder, etc., integrated full-speed USB serial port7. Support flexible clock, module power supply individual setting and other precise control, to achieve multi-scenario low power mode8. Application areas: HMI human-machine interface, LVGL GUI development9. Product size: 192.96 x 110.76mm10. Weight: 291gSpecification: Package Weight One Package Weight 0.39kgs / 0.85lb One Package Size 26cm * 14cm * 4cm / 10.24inch * 5.51inch * 1.57inch Qty per Carton 24 Carton Weight 9.50kgs / 20.94lb Carton Size 28cm * 30cm * 50cm / 11.02inch * 11.81inch * 19.69inch Loading Container 20GP: 634 cartons * 24 pcs = 15216 pcs 40HQ: 1473 cartons * 24 pcs = 35352 pcs

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1. Equipped with high-performance RISC-V 32-bit processor and low-power RISC-V 32-bit processor, the high-performance processor has a main frequency of up to 160MHz, and the low-power processor clock can reach 20MHz2. Integrates 320 XB ROM, 512 KB HP SRAM, 16 3. Supports 2.4 GHz WiFi and low-power Bluetooth (Bluetooth LE) dual-mode wireless communication, with excellent RF performance4. Adopts stamp hole design, onboard ceramic antenna, convenient for integration into the baseboard designed by the user5. Supports flexible clock, module power supply separate setting and other controls to achieve multi-scenario low-power mode6. Onboard USB Type-C interface, leading to 22 GPIOs for flexible configuration of peripheral functionsSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 10cm * 8cm * 2cm / 3.94inch * 3.15inch * 0.79inch Qty per Carton 288 Carton Weight 5.50kgs / 12.13lb Carton Size 32cm * 34cm * 50cm / 12.6inch * 13.39inch * 19.69inch Loading Container 20GP: 490 cartons * 288 pcs = 141120 pcs 40HQ: 1137 cartons * 288 pcs = 327456 pcs

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1. Equipped with high-performance Xtensa32-bit LX7 dual-core processor, the main frequency is up to 240MHz2. Support 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth5 (LE), onboard antenna3. Built-in 512 KB SRAM and 384 B ROM, stacked 16 MB Flash and 8MB PSRAM4. Onboard 4.3-inch LCD capacitive touch screen, 800×480 resolution, 65K color5. Support I2C interface to control capacitive touch, 5-point touch, support interruption6. Onboard voltage regulator chip, support 7-36V wide voltage power supply7. Onboard RTC chip and rechargeable battery to achieve power-off time without loss8. Onboard CAN, RS485, I2C interface, Micro SD card holder, GH1.25 2P battery interface and digital quantity isolation IO and other resources9. Input with bidirectional optocoupler isolation, supports passive and active switch input, active supports positive voltage and negative voltage10. Output with optocoupler isolation, stronger driving capability, sink current up to 450mA (MAX)11. External LED indicator, convenient for checking power and battery charging status12. Support flexible clock, module power separate setting and other precise control, realize multi-scenario low power mode13. Application areas: HMI human-machine interface, LVGL GUI development14. Product size: 112.4 x 75.1 x 17.4mm, 116.3 x 79 x 18mm15. Weight: 115g, 149gSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 12cm * 4cm / 7.09inch * 4.72inch * 1.57inch Qty per Carton 48 Carton Weight 10.70kgs / 23.59lb Carton Size 38cm * 26cm * 50cm / 14.96inch * 10.24inch * 19.69inch Loading Container 20GP: 539 cartons * 48 pcs = 25872 pcs 40HQ: 1253 cartons * 48 pcs = 60144 pcs

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1. Equipped with high-performance Xtensa32-bit LX7 dual-core processor, the main frequency is up to 240MHz2. Support 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth5 (LE), onboard antenna3. Built-in 512 KB SRAM and 384 B ROM, stacked 16 MB Flash and 8MB PSRAM4. Onboard 4.3-inch LCD capacitive touch screen, 800×480 resolution, 65K color5. Support I2C interface to control capacitive touch, 5-point touch, support interruption6. Onboard voltage regulator chip, support 7-36V wide voltage power supply7. Onboard RTC chip and rechargeable battery to achieve power-off time without loss8. Onboard CAN, RS485, I2C interface, Micro SD card holder, GH1.25 2P battery interface and digital quantity isolation IO and other resources9. Input with bidirectional optocoupler isolation, supports passive and active switch input, active supports positive voltage and negative voltage10. Output with optocoupler isolation, stronger driving capability, sink current up to 450mA (MAX)11. External LED indicator, convenient for checking power and battery charging status12. Support flexible clock, module power separate setting and other precise control, realize multi-scenario low power mode13. Application areas: HMI human-machine interface, LVGL GUI development14. Product size: 112.4 x 75.1 x 17.4mm, 116.3 x 79 x 18mm15. Weight: 115g, 149gSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 12cm * 4cm / 7.09inch * 4.72inch * 1.57inch Qty per Carton 48 Carton Weight 10.70kgs / 23.59lb Carton Size 38cm * 26cm * 50cm / 14.96inch * 10.24inch * 19.69inch Loading Container 20GP: 539 cartons * 48 pcs = 25872 pcs 40HQ: 1253 cartons * 48 pcs = 60144 pcs

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1. No backlight is required, and the display content of the last screen can be maintained for a long time when the power is off2. The power consumption is very low, and basically only consumes power when refreshing3. Provide a complete supporting data manual (driver board schematic, Raspberry Pi/Jetson Nano/RDKX3/Arduino/STM32 and other sample programs)4. Bare screen version working voltage: 3.3V5. Screen size: 286.32 x 212.26 x 1.20mm6. Display size: 275.52 x 195.16mm7. Dot pitch: 0.287 x 0.287mm8. Resolution: 960 x 680 pixels9. Display color: red, black, white10. Grayscale level: 211. Local refresh: 2.9s12. Global refresh: 22s13. Refresh power consumption: 75mW14. Sleep current: less than 0.01 microamperes (close to 0)15. Viewing angle: greater than 170 degrees16. Application areas: for display applications such as shelf labels and industrial instruments17. Weight: 164 gramsPacking list:-Display x 1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 34cm * 25cm * 3cm / 13.39inch * 9.84inch * 1.18inch Qty per Carton 16 Carton Weight 4.30kgs / 9.48lb Carton Size 36cm * 27cm * 50cm / 14.17inch * 10.63inch * 19.69inch Loading Container 20GP: 548 cartons * 16 pcs = 8768 pcs 40HQ: 1273 cartons * 16 pcs = 20368 pcs

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1. Support NVMe protocol M.2 interface hard disk, high-speed reading and writing, improve work efficiency2. Based on the 16-pin PCle interface design of Raspberry Pi 5, retain the fan vents and Raspberry Pi 40pin GPIO interface position3. Compatible with 2280/2260/2242/2230 size M.2 hard disks4. Support Gen2 and Gen3 modes, support booting PI5 from SSD5. Compared with the Micro SD interface of Raspberry Pi, it has faster reading and writing speeds, greatly improves the reading and writing speed of the system or files, and supports NVMe SSD to boot Raspberry Pi6. Support PCIe cable power supply or 3PIN cable power supply7. Onboard dual LED indicator, the device status is clear at a glance8. Application field: specially designed for Raspberry Pi 59. Product size: 85 x 49mm10. Weight: 32 gramsPacking list:-Adapter board x 1-Cable x 1-Screw bag x 1Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 14cm * 10cm * 3cm / 5.51inch * 3.94inch * 1.18inch Qty per Carton 64 Carton Weight 6.30kgs / 13.89lb Carton Size 30cm * 28cm * 50cm / 11.81inch * 11.02inch * 19.69inch Loading Container 20GP: 634 cartons * 64 pcs = 40576 pcs 40HQ: 1473 cartons * 64 pcs = 94272 pcs

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1. Designed for Raspberry Pi 5, driver-free, plug-and-play 2. Integrated EEPROM storage chip, automatically loads board configuration, simplifies development process 3. Supports Raspberry Pi 40PIN GPIO interface power supply 4. Onboard MiniPCle interface, compatible with SIM7600G-H-PCIE, EG25-G mPCle series 4G modules 5. Onboard PCle interface, can be directly connected to Raspberry Pi 5 via 16PIN cable 6. PCle to 2-way USB 3.2 Gen1 high-speed interface, convenient for access to more peripheral devices 7. Equipped with RT8153B high-performance Gigabit Ethernet chip 8. Support Raspberry Pi OS/Ubuntu/OpenWRT and other systems 9. Support 4G/3G/2G in global frequency bands 10. Support GNSS positioning 11. Onboard power monitoring chip and EEPROM, real-time control of power status Packing list: -Expansion board x 1 -Cable x 1 -Network cable x 1 -Screw package x 1Specification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 16cm * 10cm * 3cm / 6.3inch * 3.94inch * 1.18inch Qty per Carton 96 Carton Weight 13.60kgs / 29.98lb Carton Size 34cm * 32cm * 50cm / 13.39inch * 12.6inch * 19.69inch Loading Container 20GP: 490 cartons * 96 pcs = 47040 pcs 40HQ: 1137 cartons * 96 pcs = 109152 pcs

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1. 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU, 512KB L2 cache and 2MB shared L3 cache2. VideoCore VII GPU @800MHz, supports OpenGL ES 3.1 and Vulkan1.23. Dual 4Kp60 HDMI display outputs4. 4Kp60 HEVC decoder5. LPDDR4X-4267 SDRAM (2GB/4GB/8GB memory optional)6. 2.4GHz/5GHz dual-band 802.11ac Wi-Fi7. Bluetooth 5.0/Bluetooth Low Energy (BLE)8. High-speed Micro SD card interface, supports SDR104 mode9. 2 × USB 3.0 ports, supports 5Gbps simultaneous operation10. Gigabit Ethernet, supports PoE+ (requires separate PoE+ HAT, coming soon)11. 2 × 4-lane MIPI DSI/CSl interface12. PCle 2.0 x1 interface for fast peripherals (requires separate M.2 HAT or other adapter)13. Provides 5V/5A DC power via USB-C, supports PD14. Raspberry Pi 40PIN GPIO interface15. Real-time clock (RTC), powered by an external battery (need to be purchased separately)16. Onboard power button, you can shut down/start up without disconnecting the power17. Application areas: mini host, smart home, smart manufacturing project development, etc.18. Product size: 85 x 56mm19. Weight: 62gPacking list:- Development board x 1Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 14cm * 10cm * 2cm / 5.51inch * 3.94inch * 0.79inch Qty per Carton 144 Carton Weight 15.50kgs / 34.17lb Carton Size 30cm * 32cm * 50cm / 11.81inch * 12.6inch * 19.69inch Loading Container 20GP: 555 cartons * 144 pcs = 79920 pcs 40HQ: 1289 cartons * 144 pcs = 185616 pcs

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1. Based on Raspberry Pi4 OPIN GPIO interface design, suitable for Raspberry Pi series motherboards, Jetson Nano, RDKX3 2. Reserved SPI control interface, can be connected to Raspberry Pi/Jetson Nano/RDK X3/Arduino/STM32 and other main control boards 3. Onboard level conversion chip, compatible with 3.3V and 5V microcontroller interfaces 4. Module version working voltage: 3.3V/5V 5. Communication interface: 3-vire SPI, 4-wire SPI 6. Screen size: 286.32 x 212.26 x 1.20mm 7. Display size: 275.52 x 195.16mm 8. Dot pitch: 0.287 x 0.287mm 9. Resolution: 960 x 680 pixels 10. Display color: red, black, white 11. Grayscale level: 2 12. Partial refresh: 2.9s 13. Global refresh: 22s 14. Refresh power consumption: 75mW 15. Sleep current: less than 0.01uA (close to 0) 16. Viewing angle: greater than 170 degrees 17. Application areas: for display applications such as shelf labels and industrial instruments 18. Weight: 164 grams Packing list: -Display x 1 -Driver board x 1 -Connecting wire x 1 -Copper column package x 1Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 34cm * 25cm * 3cm / 13.39inch * 9.84inch * 1.18inch Qty per Carton 16 Carton Weight 4.70kgs / 10.36lb Carton Size 36cm * 27cm * 50cm / 14.17inch * 10.63inch * 19.69inch Loading Container 20GP: 548 cartons * 16 pcs = 8768 pcs 40HQ: 1273 cartons * 16 pcs = 20368 pcs

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1. 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU, 512KB L2 cache and 2MB shared L3 cache2. VideoCore VII GPU @800MHz, supports OpenGL ES 3.1 and Vulkan1.23. Dual 4Kp60 HDMI display outputs4. 4Kp60 HEVC decoder5. LPDDR4X-4267 SDRAM (2GB/4GB/8GB memory optional)6. 2.4GHz/5GHz dual-band 802.11ac Wi-Fi7. Bluetooth 5.0/Bluetooth Low Energy (BLE)8. High-speed Micro SD card interface, supports SDR104 mode9. 2 × USB 3.0 ports, supports 5Gbps simultaneous operation10. Gigabit Ethernet, supports PoE+ (requires separate PoE+ HAT, coming soon)11. 2 × 4-lane MIPI DSI/CSl interface12. PCle 2.0 x1 interface for fast peripherals (requires separate M.2 HAT or other adapter)13. Provides 5V/5A DC power via USB-C, supports PD14. Raspberry Pi 40PIN GPIO interface15. Real-time clock (RTC), powered by an external battery (need to be purchased separately)16. Onboard power button, you can shut down/start up without disconnecting the power17. Application areas: mini host, smart home, smart manufacturing project development, etc.18. Product size: 85 x 56mm19. Weight: 62gPacking list:- Development board x 1Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 14cm * 10cm * 2cm / 5.51inch * 3.94inch * 0.79inch Qty per Carton 144 Carton Weight 15.50kgs / 34.17lb Carton Size 30cm * 32cm * 50cm / 11.81inch * 12.6inch * 19.69inch Loading Container 20GP: 555 cartons * 144 pcs = 79920 pcs 40HQ: 1289 cartons * 144 pcs = 185616 pcs

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1. 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU, 512KB L2 cache and 2MB shared L3 cache2. VideoCore VII GPU @800MHz, supports OpenGL ES 3.1 and Vulkan1.23. Dual 4Kp60 HDMI display outputs4. 4Kp60 HEVC decoder5. LPDDR4X-4267 SDRAM (2GB/4GB/8GB memory optional)6. 2.4GHz/5GHz dual-band 802.11ac Wi-Fi7. Bluetooth 5.0/Bluetooth Low Energy (BLE)8. High-speed Micro SD card interface, supports SDR104 mode9. 2 × USB 3.0 ports, supports 5Gbps simultaneous operation10. Gigabit Ethernet, supports PoE+ (requires separate PoE+ HAT, coming soon)11. 2 × 4-lane MIPI DSI/CSl interface12. PCle 2.0 x1 interface for fast peripherals (requires separate M.2 HAT or other adapter)13. Provides 5V/5A DC power via USB-C, supports PD14. Raspberry Pi 40PIN GPIO interface15. Real-time clock (RTC), powered by an external battery (need to be purchased separately)16. Onboard power button, you can shut down/start up without disconnecting the power17. Application areas: mini host, smart home, smart manufacturing project development, etc.18. Product size: 85 x 56mm19. Weight: 62gPacking list:- Development board x 1Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 14cm * 10cm * 2cm / 5.51inch * 3.94inch * 0.79inch Qty per Carton 144 Carton Weight 15.50kgs / 34.17lb Carton Size 30cm * 32cm * 50cm / 11.81inch * 12.6inch * 19.69inch Loading Container 20GP: 555 cartons * 144 pcs = 79920 pcs 40HQ: 1289 cartons * 144 pcs = 185616 pcs

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1. Designed for Raspberry Pi 5, driver-free, plug-and-play2. Integrated EEPROM storage chip, automatically loads board configuration, simplifies development process3. Supports Raspberry Pi 40PIN GPIO interface power supply4. Onboard MiniPCle interface, adaptable to SIM7600G-H-PCIE, EG25-G mPCle series 4G modules5. Onboard PCle interface, can be directly connected to Raspberry Pi 5 via 16PIN cable6. PCle to 2-way USB 3.2 Gen1 high-speed interface, convenient for access to more peripheral devices7. Equipped with RT8153B high-performance Gigabit Ethernet chip8. Support Raspberry Pi OS/Ubuntu/OpenWRT and other systems9. Support 4G/3G/2G in global frequency bands10. Support GNSS positioning11. Onboard power monitoring chip and EEPROM, real-time control of power statusPacking list:-Expansion board x 1-4G module x 1-GPS antenna x 1-Flat cable x 1-Network cable x 1-Paddle antenna x 2Adapter cable x 3-Screw pack x 1Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 16cm * 10cm * 3cm / 6.3inch * 3.94inch * 1.18inch Qty per Carton 96 Carton Weight 25.10kgs / 55.34lb Carton Size 34cm * 32cm * 50cm / 13.39inch * 12.6inch * 19.69inch Loading Container 20GP: 490 cartons * 96 pcs = 47040 pcs 40HQ: 1137 cartons * 96 pcs = 109152 pcs

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1. Designed for Raspberry Pi 5, driver-free, plug-and-play2. Integrated EEPROM storage chip, automatically loads board configuration, simplifies development process3. Supports Raspberry Pi 40PIN GPIO interface power supply4. Onboard MiniPCle interface, adaptable to SIM7600G-H-PCIE, EG25-G mPCle series 4G modules5. Onboard PCle interface, can be directly connected to Raspberry Pi 5 via 16PIN cable6. PCle to 2-way USB 3.2 Gen1 high-speed interface, convenient for access to more peripheral devices7. Equipped with RT8153B high-performance Gigabit Ethernet chip8. Support Raspberry Pi OS/Ubuntu/OpenWRT and other systems9. Support 4G/3G/2G in global frequency bands10. Support GNSS positioning11. Onboard power monitoring chip and EEPROM, real-time control of power statusPacking list:-Expansion board x 1-4G module x 1-GPS antenna x 1-Flat cable x 1-Network cable x 1-Paddle antenna x 2Adapter cable x 3-Screw pack x 1Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 16cm * 10cm * 3cm / 6.3inch * 3.94inch * 1.18inch Qty per Carton 96 Carton Weight 25.10kgs / 55.34lb Carton Size 34cm * 32cm * 50cm / 13.39inch * 12.6inch * 19.69inch Loading Container 20GP: 490 cartons * 96 pcs = 47040 pcs 40HQ: 1137 cartons * 96 pcs = 109152 pcs

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1. Adopts the RP2040 microcontroller chip designed by Raspberry Pi2. Equipped with a dual-core ARM Cortex M0+ processor, running at a frequency of up to 133MHz flexible clock3. Built-in 264KB SRAM and 2MB on-chip Flash4. True stamp hole design, can be directly soldered and integrated into the user-designed baseboard5. USB1.1 host and device support6. Support low-power sleep and hibernation modes7. Can be identified as a large-capacity storage through USB for drag-and-drop download of programs8. RP2040s 29 GPIO pins are brought out (20 can be brought out through pin headers, and the rest can only be brought out by soldering)9. 2 SPI, 2 I2C, 2 UART, 4 12-bit ADC, 16 controllable PWM channels10. Accurate on-chip clock and timer11. Temperature sensor12. On-chip accelerated floating-point library13. 8 programmable I/O (PIO) state machines for custom peripheral support14. Product size: 23.5 x 18mmSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 540 Carton Weight 6.50kgs / 14.33lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 540 pcs = 236520 pcs 40HQ: 1018 cartons * 540 pcs = 549720 pcs

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1. Adopts the RP2040 microcontroller chip designed by Raspberry Pi2. Equipped with a dual-core ARM Cortex M0+ processor, running at a frequency of up to 133MHz flexible clock3. Built-in 264KB SRAM and 2MB on-chip Flash4. True stamp hole design, can be directly soldered and integrated into the user-designed baseboard5. USB1.1 host and device support6. Support low-power sleep and hibernation modes7. Can be identified as a large-capacity storage through USB for drag-and-drop download of programs8. RP2040s 29 GPIO pins are brought out (20 can be brought out through pin headers, and the rest can only be brought out by soldering)9. 2 SPI, 2 I2C, 2 UART, 4 12-bit ADC, 16 controllable PWM channels10. Accurate on-chip clock and timer11. Temperature sensor12. On-chip accelerated floating-point library13. 8 programmable I/O (PIO) state machines for custom peripheral support14. Product size: 23.5 x 18mmSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 540 Carton Weight 6.50kgs / 14.33lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 540 pcs = 236520 pcs 40HQ: 1018 cartons * 540 pcs = 549720 pcs

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1. Product type: adapter board2. Communication interface: SPI3. Power supply voltage: 18V4. Power supply current: 10A5. Applicable to Makita BL1830\1850\18606. Easy to carry, simple and convenient to use7. Optimized for Makita 18V tools to improve their performance and safety8. Multi-protection circuit board: provides overheating, overvoltage, overload and low voltage shutdown protection to ensure safe operationSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8cm * 8cm * 4cm / 3.15inch * 3.15inch * 1.57inch Qty per Carton 192 Carton Weight 6.90kgs / 15.21lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 192 pcs = 88512 pcs 40HQ: 1071 cartons * 192 pcs = 205632 pcs

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1. Based on Raspberry Pi 40 PIN GPIO interface, suitable for Raspberry Pi series motherboards2. With CAN function, using SPI interface CAN controller MCP2515, with transceiver SIT65HVD230DR3. With RS485 function, using UART control, half-duplex communication, supporting automatic switching of transceiver status without program control, transceiver is SP34854. Onboard 120 ohm terminal resistors for RS485 and CAN interfaces, which can be enabled by setting the dip switch5. Onboard TVS (transient voltage suppression tube), RS485 communication can effectively suppress surge voltage and transient spike voltage in the circuit, lightning protection and anti-static6. Reserved control interface for convenient control by other controllers7. Working voltage: 3.3V8. Purpose: RS485 CAN interface expansion9. Product size: 65 x 30mm10. Weight: 18gSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 216 Carton Weight 9.80kgs / 21.61lb Carton Size 32cm * 50cm * 38cm / 12.6inch * 19.69inch * 14.96inch Loading Container 20GP: 438 cartons * 216 pcs = 94608 pcs 40HQ: 1018 cartons * 216 pcs = 219888 pcs

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1. Compatible with Raspberry Pi 40 PIN GPIO interface, plug and play2. Integrated EEPROM storage chip, automatically loads board configuration, simplifies development process3. Supports Raspberry Pi 40 PIN GPIO interface power supply4. Based on PI5s 16 PIN PCle interface design, can be connected to P15 through 16PIN cable5. Supports NVMe hard disk protocol6. Compatible with 2230/2242 size M.2 hard disk, supports Gen2 and Gen3 modes, supports booting PI5 from SSD7. Onboard dual LED indicator, the working status of the device is clear at a glance8. Onboard power monitoring chip and EEPROM, real-time control of hard disk power status is more convenient, and the operation is more stable9. Product size: 65 x 56.5 x 49mm10. Weight: 22g, 38g, 38gSpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 10cm * 10cm * 3cm / 3.94inch * 3.94inch * 1.18inch Qty per Carton 144 Carton Weight 6.90kgs / 15.21lb Carton Size 32cm * 32cm * 50cm / 12.6inch * 12.6inch * 19.69inch Loading Container 20GP: 520 cartons * 144 pcs = 74880 pcs 40HQ: 1209 cartons * 144 pcs = 174096 pcs

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1. 240 x 135 resolution IPS LCD screen, 65K color, can clearly display color pictures2. Use SPI control to ensure that it does not occupy too many interface pin resources3. Comes with 1 joystick and 2 buttons for easy expansion of applications4. Working voltage: 2.6-5.5V5. Resolution: 240 x 135 pixels6. Communication interface: 4-wire SPI7. Display size: 24.91 x 14.86mm8. Display panel: IPS9. Pixel size: 0.1101 x 0.1035mm10. Control chip: ST778911. Application field: digital electronics12. Product size: 52 x 25mm13. Weight: 11gSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 10cm * 8cm * 2cm / 3.94inch * 3.15inch * 0.79inch Qty per Carton 288 Carton Weight 9.80kgs / 21.61lb Carton Size 32cm * 34cm * 50cm / 12.6inch * 13.39inch * 19.69inch Loading Container 20GP: 490 cartons * 288 pcs = 141120 pcs 40HQ: 1137 cartons * 288 pcs = 327456 pcs

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1. The servo motor can feedback a variety of information: position, speed, torque lock, operation mode (servo mode, servo motor mode, etc.), which can be used for high-level projects that require closed-loop automatic control2. It can be used to build wheeled robots, 3D printers, etc. that require accurate closed-loop speed control or stepping control; it can also be used to build robot projects that require multiple servo motors, such as quadrupeds, hexapods, and robotic arms3. Product torque: 20kg.cm@12V4. Rotation angle: 360 degrees (0-4095)5. Position sensor resolution: 360 degrees/40966. Mechanism limit angle: None7. Working voltage: 6-12.6V8. Gear form: high-precision metal gear9. No-load speed: 0.094sec/60 degrees (106RPM)10. Encoder type: 360-degree magnetic encoder11. ID range: 1-25312. Baud rate: 38400bps-1Mbps (default 1Mbps)13. Feedback: Position; Load; Speed; Input Voltage14. No-load current: 240mA15. Stall current: 2.4A16. Kt constant: 8.3kg.cm/A17. Product size: 45.22 x 37.25 x 24.72mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 6cm / 4.72inch * 3.15inch * 2.36inch Qty per Carton 96 Carton Weight 10.70kgs / 23.59lb Carton Size 38cm * 34cm * 50cm / 14.96inch * 13.39inch * 19.69inch Loading Container 20GP: 412 cartons * 96 pcs = 39552 pcs 40HQ: 958 cartons * 96 pcs = 91968 pcs

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1. Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240 MHz2. Support 2.4 GHz WiFi (802.11b/g/n) and Bluetooth5 (LE), onboard antenna3. Built-in 512KB SRAM and 384KB ROM, stacked 2MB PSRAM and external 16MB Flash4. Adopt Type-C interface, no need to worry about whether to insert it in the right or wrong direction5. Onboard 1.28-inch capacitive touch LCD screen, 240 x 240 resolution, 65K color6. The upper shell is made of CNC metal material, and the back is equipped with an acrylic matte base7. Onboard QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), which can detect motion posture8. Onboard 3.7V MX1.25 lithium battery charging and discharging interface9. Lead out 6 GPIO SH1.0 connector10. Supports flexible clock, module power individual setting and other precise control to achieve multi-scenario low power consumption mode11. Integrated USB serial port full-speed controller, GPIO can flexibly configure peripheral functions12. Product size: 48 x 48 x 12.5mmSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 14cm * 12cm * 4cm / 5.51inch * 4.72inch * 1.57inch Qty per Carton 72 Carton Weight 6.90kgs / 15.21lb Carton Size 30cm * 38cm * 50cm / 11.81inch * 14.96inch * 19.69inch Loading Container 20GP: 467 cartons * 72 pcs = 33624 pcs 40HQ: 1086 cartons * 72 pcs = 78192 pcs

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1. Working power supply: DC5V external power supply or 18650 battery (both need to be prepared by yourself)2. Applicable batteries: batteries that meet the stop discharge voltage of 2.5~3.5V and 4.2V charging are applicable3. Power supply interface: Type-C interface, power supply line is prepared by yourself (C port mobile phone line)4. System language: Chinese, English5. Test quantity: 1-way charging and discharging measurement (only right battery)6. Internal resistance measurement: Support, use DC two-wire method to test internal resistance7. Charging function: Support, 1-way program control about 1A (MAX) charging; 1-way hardware control about 0.5A (MAX) charging8. Discharging function: Support, only 1-way supports about 1A (MAX) discharge and automatically stops when the condition is met9. Automatic charging and discharging: Support, the battery is fully charged at the end of automatic mode (stop voltage is set to 2.8V or above)10. Cyclic charging and discharging: Support, 1~9 cycles adjustable11. Status prompt: Supported12. Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 11 levels adjustable13. Discharge current: two resistors, about 1A current (MAX), not adjustable, does not support self-modification14. Charging voltage: controlled by dedicated battery charging chip, about 0.5A/1A charging (MAC), full charge voltage 4.2V15. Power off save: only save the setting parameters, not the measurement data16. Weight: 80g17. Product size: 110×88x30mmTest method:Wait a few seconds after installing the battery, read the battery data, and the battery voltage and internal resistance parameters will be displayed. There will be a delay in data loading during the battery loading and unloading process. Check after the data stabilizesAbout capacity test:The discharge must be completed to measure the capacity. I have never met anyone who wants to measure the capacity just by installing the battery. Discharge takes time. You have to wait for the discharge to end automatically to have a complete capacity in the discharge stageThis product uses the DC two-wire method to test the battery internal resistance principle:DC impedance is based on the physical formula R=V/I, the test set The battery is forced to pass a large constant DC current (currently 10A-80A is generally used) in a short period of time (usually 2-3 seconds), and the voltage at both ends of the battery is measured, and the current battery internal resistance is calculated according to the formula. The DC two-wire test internal resistance is the result of the middle line resistance, and the result is used for reference comparison between batteries tested in the same batch. Due to the influence of contact resistance and battery self-loss, the internal resistance may not be identified normally and cannot be measured. For those with high requirements for internal resistance measurement accuracy, the TS235 internal resistance tester (AC four-wire method) can be used for internal resistance testing.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 16cm * 11cm * 5cm / 6.3inch * 4.33inch * 1.97inch Qty per Carton 54 Carton Weight 7.60kgs / 16.75lb Carton Size 50cm * 35cm * 32cm / 19.69inch * 13.78inch * 12.6inch Loading Container 20GP: 476 cartons * 54 pcs = 25704 pcs 40HQ: 1105 cartons * 54 pcs = 59670 pcs

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Features:1. With flash-on and flash-off functions, you can add parameters in the command to operate the relay to automatically close after a period of time2. Support DC 7-36V wide voltage power supply, support PoE Ethernet power supply3. Support control of relays through MQTT protocol, and provide Alibaba Cloud MQTT application routines4. Onboard optocoupler isolation to avoid interference from relay high-voltage circuits5. Adopt dedicated relay driver chip, built-in freewheeling diode protection, stronger and more stable driving ability6. Switch input with bidirectional optocoupler isolation, support passive and active switch input, built-in de-jitter algorithm, relay supports switch input linkage mode or flip mode control7. Onboard anti-reverse connection circuit to avoid reverse connection of positive and negative poles and burn out the circuit (only 8-way B version)8. Adopt high-quality relays, allow access to loads: less than or equal to 10A 250V AC or less than or equal to 10A 30V DC9. Guide rail type ABS protective shell, easy to install and use, safer with shell10. Four external LED indicators and a network port indicator light make it easy to check the MCU status and signal receiving and sending statusProduct parameters:1. Communication interface (DO): Ethernet (supports PoE)2. Communication protocol: TCP/UDP/MQTT3. Modbus protocol: Modbus RTU protocol or Modbus TCP protocol4. Device address: cannot be set, identify the device by IP address5. Output control: 8 relays6. Relay type: one normally open, one long closed7. Relay access load: less than or equal to 10A 250V AC or less than or equal to 10A 30V DC8. Input control (DI): 8 inputs9. Power supply: PoE network port, DC 5.5 x 2.1 power interface or terminal block10. Power supply range: 7-36V wide voltage11. Installation method: standard DIN 35mm rail installation or screw hole wall installation12. Dimensions: 145 x 90 x 40mmSpecification: Package Weight One Package Weight 0.28kgs / 0.63lb One Package Size 18cm * 12cm * 7cm / 7.09inch * 4.72inch * 2.76inch Qty per Carton 32 Carton Weight 10.10kgs / 22.27lb Carton Size 38cm * 50cm * 30cm / 14.96inch * 19.69inch * 11.81inch Loading Container 20GP: 467 cartons * 32 pcs = 14944 pcs 40HQ: 1086 cartons * 32 pcs = 34752 pcs

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Notes:1. There are MOS and other components on the board, which are easily damaged by soldering iron induction electricity or static electricity. Please make sure that the soldering iron used is grounded (and the ground wire of the power strip is connected). It is best to wear anti-static gloves when operating.2. Be careful not to install the battery upside down, otherwise the board may burn.3. Please choose a power supply with sufficient power. Only in this way can the board work properly.4. The board power supply should not be higher than 5V.5. Please do not modify the board without technical confirmation.6. It is normal for the module to heat up when working at high power, just pay attention to fanning.Product Introduction:1. This product is suitable for power-off equipment without power outages. When there is power, use external power supply, and automatically switch to battery power supply seamlessly when there is a power outage.2. If the USB interface is used for power supply, it is recommended to use the Type-c interface. Compared with the microUSB interface, the current that can pass is much larger, and the maximum current that can pass is 5A.3. Suitable for routers, cameras, development boards and other devices, seamlessly switch to battery power when power is off, and keep the network connected when power is off.4. Seamless switching between external power supply and battery dual power supply (no delay)5. Uninterrupted power supply, automatic start when power is off, automatic charging when incoming call.6. Output voltage 5V/9V/12V optional, other voltages can be customized.7. Four practical functions: lithium battery charging, lithium battery protection, boost output, and UPS switching.8. Two-color LED indicates charging status, the green light is always on when full, and charging stops automatically.9. Type-C interface, large current.10. Product size: 89 x 42mm11. Weight: about 37gFunction description:1. UPS function: When the power supply is powered, the power supply directly supplies power to the load through the boost circuit, and charges the lithium battery at the same time. Once the power supply is off, the battery path is automatically started to supply power to the load through the boost circuit.2. Boost circuit: peak power up to 20W, rated power up to 15W, BOST boost circuit, built-in 12A high current MOS, efficiency up to 96%, module static power consumption 25mA, optional 5V/9V/12V output.(Load normal recommendation <15W. Output 5V: current 3A, output 9V: current 1.6A, output 12V: current 1.2A)3. Lithium battery protection overcharge, over discharge, over temperature, over current protection (if short-circuited by mistake, it will enter the protection state and no output, and it will automatically activate and restore output when connected to 5V charging)Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 12cm * 7cm * 4cm / 4.72inch * 2.76inch * 1.57inch Qty per Carton 144 Carton Weight 9.80kgs / 21.61lb Carton Size 38cm * 30cm * 50cm / 14.96inch * 11.81inch * 19.69inch Loading Container 20GP: 467 cartons * 144 pcs = 67248 pcs 40HQ: 1086 cartons * 144 pcs = 156384 pcs

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Notes:1. There are MOS and other components on the board, which are easily damaged by soldering iron induction electricity or static electricity. Please make sure that the soldering iron used is grounded (and the ground wire of the power strip is connected). It is best to wear anti-static gloves when operating.2. Be careful not to install the battery upside down, otherwise the board may burn.3. Please choose a power supply with sufficient power. Only in this way can the board work properly.4. The board power supply should not be higher than 5V.5. Please do not modify the board without technical confirmation.6. It is normal for the module to heat up when working at high power, just pay attention to fanning.Product Introduction:1. This product is suitable for power-off equipment without power outages. When there is power, use external power supply, and automatically switch to battery power supply seamlessly when there is a power outage.2. If the USB interface is used for power supply, it is recommended to use the Type-c interface. Compared with the microUSB interface, the current that can pass is much larger, and the maximum current that can pass is 5A.3. Suitable for routers, cameras, development boards and other devices, seamlessly switch to battery power when power is off, and keep the network connected when power is off.4. Seamless switching between external power supply and battery dual power supply (no delay)5. Uninterrupted power supply, automatic start when power is off, automatic charging when incoming call.6. Output voltage 5V/9V/12V optional, other voltages can be customized.7. Four practical functions: lithium battery charging, lithium battery protection, boost output, and UPS switching.8. Two-color LED indicates charging status, the green light is always on when full, and charging stops automatically.9. Type-C interface, large current.10. Product size: 89 x 42mm11. Weight: about 37gFunction description:1. UPS function: When the power supply is powered, the power supply directly supplies power to the load through the boost circuit, and charges the lithium battery at the same time. Once the power supply is off, the battery path is automatically started to supply power to the load through the boost circuit.2. Boost circuit: peak power up to 20W, rated power up to 15W, BOST boost circuit, built-in 12A high current MOS, efficiency up to 96%, module static power consumption 25mA, optional 5V/9V/12V output.(Load normal recommendation <15W. Output 5V: current 3A, output 9V: current 1.6A, output 12V: current 1.2A)3. Lithium battery protection overcharge, over discharge, over temperature, over current protection (if short-circuited by mistake, it will enter the protection state and no output, and it will automatically activate and restore output when connected to 5V charging)Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 12cm * 7cm * 4cm / 4.72inch * 2.76inch * 1.57inch Qty per Carton 144 Carton Weight 9.80kgs / 21.61lb Carton Size 38cm * 30cm * 50cm / 14.96inch * 11.81inch * 19.69inch Loading Container 20GP: 467 cartons * 144 pcs = 67248 pcs 40HQ: 1086 cartons * 144 pcs = 156384 pcs

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Notes:1. There are MOS and other components on the board, which are easily damaged by soldering iron induction electricity or static electricity. Please make sure that the soldering iron used is grounded (and the ground wire of the power strip is connected). It is best to wear anti-static gloves when operating.2. Be careful not to install the battery upside down, otherwise the board may burn.3. Please choose a power supply with sufficient power. Only in this way can the board work properly.4. The board power supply should not be higher than 5V.5. Please do not modify the board without technical confirmation.6. It is normal for the module to heat up when working at high power, just pay attention to fanning.Product Introduction:1. This product is suitable for power-off equipment without power outages. When there is power, use external power supply, and automatically switch to battery power supply seamlessly when there is a power outage.2. If the USB interface is used for power supply, it is recommended to use the Type-c interface. Compared with the microUSB interface, the current that can pass is much larger, and the maximum current that can pass is 5A.3. Suitable for routers, cameras, development boards and other devices, seamlessly switch to battery power when power is off, and keep the network connected when power is off.4. Seamless switching between external power supply and battery dual power supply (no delay)5. Uninterrupted power supply, automatic start when power is off, automatic charging when incoming call.6. Output voltage 5V/9V/12V optional, other voltages can be customized.7. Four practical functions: lithium battery charging, lithium battery protection, boost output, and UPS switching.8. Two-color LED indicates charging status, the green light is always on when full, and charging stops automatically.9. Type-C interface, large current.10. Product size: 89 x 42mm11. Weight: about 37gFunction description:1. UPS function: When the power supply is powered, the power supply directly supplies power to the load through the boost circuit, and charges the lithium battery at the same time. Once the power supply is off, the battery path is automatically started to supply power to the load through the boost circuit.2. Boost circuit: peak power up to 20W, rated power up to 15W, BOST boost circuit, built-in 12A high current MOS, efficiency up to 96%, module static power consumption 25mA, optional 5V/9V/12V output.(Load normal recommendation <15W. Output 5V: current 3A, output 9V: current 1.6A, output 12V: current 1.2A)3. Lithium battery protection overcharge, over discharge, over temperature, over current protection (if short-circuited by mistake, it will enter the protection state and no output, and it will automatically activate and restore output when connected to 5V charging)Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 12cm * 7cm * 4cm / 4.72inch * 2.76inch * 1.57inch Qty per Carton 144 Carton Weight 9.80kgs / 21.61lb Carton Size 38cm * 30cm * 50cm / 14.96inch * 11.81inch * 19.69inch Loading Container 20GP: 467 cartons * 144 pcs = 67248 pcs 40HQ: 1086 cartons * 144 pcs = 156384 pcs

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1. Dual Ethernet port design, support communication and PoE power supply cascade2. With flash-on and flash-off functions, the relay can be controlled by command to automatically close after being turned on for a period of time3. Support DC7V-36V wide voltage power supply, support PoE Ethernet power supply4. Support control of relays through MQTT protocol, and provide Alibaba Cloud MQTT application routines5. Onboard optocoupler isolation to avoid interference from relay high-voltage circuits6. Adopt special relay driver chip with built-in freewheeling diode protection, with stronger and more stable driving ability7. The switch input has bidirectional optocoupler isolation, supports passive and active switch input, built-in de-jitter algorithm, and the relay supports switch input linkage mode or flip mode control8. Onboard anti-reverse connection circuit to avoid reverse connection of positive and negative poles and burnout of the circuit9. High-quality relays are used to allow access to loads: less than or equal to 10A250VAC or less than or equal to 10A30VDC10. Guide rail ABS protective shell, easy to install and use, safer with shell11. External 4 LED indicators and network port indicators, you can easily check the MCU status and signal receiving and sending status12. Product size: about 175 x 90 x 40mm13. Weight: about 287g14. This product is manually measured, and there may be errors of 0.1-0.2 mm and 0.1-0.2 grams in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product!Specification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 22cm * 13cm * 7cm / 8.66inch * 5.12inch * 2.76inch Qty per Carton 20 Carton Weight 8.00kgs / 17.64lb Carton Size 46cm * 28cm * 37cm / 18.11inch * 11.02inch * 14.57inch Loading Container 20GP: 559 cartons * 20 pcs = 11180 pcs 40HQ: 1298 cartons * 20 pcs = 25960 pcs

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