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Product manual：1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use.2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument control, equipment, etc. as well as mobile monitoring, proximity switch monitoring and occasions where it is not convenient to use mechanical switches to improve efficiency.3. The switch adopts a through-beam photoelectric trigger mode. The infrared emitting tube in the device emits infrared light. If there is an object in the middle of the groove, the receiving sensor will trigger the corresponding key value if the infrared light is not detected.4. Provides button definition setting software based on Windows system. After setting, you can use it in the following systems: Dos, Win 2000, Win XP, Win vista, Win 7, Win 8, Win10, Linux, Mac, Android.5. Scope of application: office, game, industry, disabled personFunction Description：1. Keyboard function: It can be set to any key value or key combination, for example, to key value A or CTRL+A.2. Mouse function: It can be set to the left, middle, right, forward and backward keys of the mouse, the movement of the X and Y axes, and the up and down scrolling functions of the wheel.3. String printing: You can set up to 38 characters, for example, set "hello!".4. Multimedia function: It can be set as previous song, next song, volume up, volume down and other multimedia control functions.5. Gamepad function: It can be set as up, down, left and right four direction keys and 6 function keys.When you want to change the function of the button, you can use the FootSwitch software to modify the button function:1. Insert the device into the computer USB port2. Run the software FootSwitch3. Click to select the corresponding setting window4. Click or enter the function you want to set5. Click Save to confirm.6. The setting software only supports Windows system. The FootSwitch software is often upgraded. Please follow the latest version.Product specifications:1. Product model: IRSW20B2. Interface type: USB3. Power supply: 5V30mA4. USB cable length: 2 meters (the cable length can be customized)5. Product weight: about 65 gramsOutline dimension drawing and installation hole position drawing as show picturesSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 28cm / 11.81inch * 11.81inch * 11.02inch Loading Container 20GP: 1058 cartons * 100 pcs = 105800 pcs40HQ: 2456 cartons * 100 pcs = 245600 pcs

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1. Material: Plastic2. Interface type: Bluetooth wireless connection3. Applicable products: mobile phones, VR helmets, selfie sticks4. Additional functions: PC remote control, wireless mouse5. Size: 43x37x110mm6. Single weight: 150g7. Wireless distance: 2-10 meters8. Continuous use time: about 40 hours8. Working current: 0.5-8mA10. Wireless protocol: Wireless 3.011. Without batteries, you need to purchase two AAA7 alkaline batteries for use12. Support all major VR resource platforms13. It can be used as mobile phone, tablet computer, TV box, PC remote control, game controller, wireless mouse, etc., e-book page turning (Android), PPT document turning (Apple IOS), etc., support Android, IOS, PC systemSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 13cm * 7cm * 6cm / 5.12inch * 2.76inch * 2.36inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs

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OverviewThe RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home appliances.Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Standard rail mount bottom case5. Onboard LEDs for indicating relays status6. Relay control pin selection jumper, allows to control the relays by custom pins other than the default pins7. Reserved control Interface, allows to work with controllers like PLC8. Comes with development resources, including examples in wiringPi, bcm2835, python, python-bottle (webpage control), and crontab (cron job)Specifications1. Power supply voltage: 5V2. Trigger signal: 3.3V/5V3. Relay channels: 8-ch4. Contact form: SPDT-NO,NC5. Closed current: 6mA (per channel)6. Connector: screw terminal block7. Dimension: 232 × 72 (mm)8. Mounting hole size: 3.0mmSpecification: Package Weight One Package Weight 0.33kgs / 0.73lb One Package Size 25cm * 9cm * 2cm / 9.84inch * 3.54inch * 0.79inch Qty per Carton 160 Carton Weight 15.00kgs / 33.07lb Carton Size 50cm * 36cm * 40cm / 19.69inch * 14.17inch * 15.75inch Loading Container 20GP: 370 cartons * 160 pcs = 59200 pcs40HQ: 859 cartons * 160 pcs = 137440 pcs

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1. The Set Includes: (1)Professional Condenser Microphone + (1)Microphone Shock Mount + (1)Ball-type Anti-wind Foam Cap + (1)Microphone Power Cable. 2. The professional condenser microphone adopts the exacting complete electronic circuit control. Capture rich, full-bodied sound from sources that are directly in front of the mic. 3. The shock mount can effectively reduce handling noise. Good cardioid pickup output and high sensitivity. 4. The ball-type anti-wind foam cap can protect microphone against wind interference and singers'spit. 5. Ideal for radio broadcasting studio, voice-over sound studio, recording and so on.Specification: General Model BM-800 Sensitivity -34 +/-2dB(0dB=1V/Pa at 1KHz) Frequency Range 20Hz-20kHz Impedance 150ohm Power 3mA Cable Length 2.9m/9.5feet Size 16*5*5cm Package Weight One Package Weight 0.72kgs / 1.59lb One Package Size 30.5cm * 18.5cm * 9cm / 12.01inch * 7.28inch * 3.54inch Qty per Carton 20 Carton Weight 16.50kgs / 36.38lb Carton Size 62cm * 42cm * 42cm / 24.41inch * 16.54inch * 16.54inch Loading Container 20GP: 243 cartons * 20 pcs = 4860 pcs40HQ: 566 cartons * 20 pcs = 11320 pcs

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Specifications1. Operating voltage: 8.0 ~ 120.0 VDC, typical value 60 VDC 2. Working power consumption: 3.0~ 5.0 mA, normal value 4.0 5.0 3. Sleep power consumption: 100~ 350 uA, normal value 300 uA 4. Battery Resolution: 0.1 % 5. Voltage resolution: 0.1 V 6. Current resolution: 0.1 Ah 7. Capacity Resolution: 0.1 A 8. Voltage accuracy: +/-0.5 % 9. Current accuracy; +/-00.5 % 10. Capacity accuracy: +/-01% % 11. Battery capacity setting: 0.1 999Ah 12. Auto sleep current value: 30~ 50 mA, normal value 40 mA 13. Auto-on current value: 30~ 80 mA, normal value 50 mA 14. Meter size; 61.3 x 33.3x 13.5 mm 15. Hole size: 58.5 x 28.5 mm 16. Operating temperature: -10~50 degree CFeatures1. GY-K1S is a high-precision battery power display meter, which accurately displays the battery power percentage, capacity, current, and voltage by means of current calculation (coulomb counter). 2. The GY-K1S coulomb meter is not limited by the type of battery. It can be used on any battery with a battery voltage of 8-120V. It can accurately grasp the working status of the battery in time; especially for loads with large current fluctuations and intermittent work. The use of high-current loads is very effective, such as various electric vehicles, sweepers, electric forklifts, and equipment with high-power motors. 3. The power is displayed by liquid crystal, which is clearer and more power-saving 4. Applicable to any battery, battery pack or device, such as lead-acid battery, water battery, Lithium batteries, lithium iron phosphate batteries, nickel-cadmium batteries, nickel-hydrogen batteries, etc. 5. Support capacity setting, support reset battery voltage value setting 6. Turn on and off the display manually, and automatically turn on and off the display when the current is detected 7. 10 seconds delay automatic sleep function, can withstand ultra-wide voltage inputSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 100 pcs = 62000 pcs40HQ: 1439 cartons * 100 pcs = 143900 pcs

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1. Solar power panels use Sunpower solar cells, which are much more efficient than ordinary solar cells. 2. Foldable design for more convenient carrying. 3. Equipped with voltage regulator, the voltage output is more stable and the charging is more secure. 4. Comfortable fabric, not afraid of the sun, not afraid of rain, charging without worry. 5. Connect directly to your device via the USB port. 6. Comes with a small pocket to keep the device safely stored during the charging process. 7. Output voltage/current: 5V/2.4A(Max).Specification: General Material Plastic, Nylon Power 14W Size Folded Size: 15*14.5*3.5cm, Expanded Length: 75cm Weight 328g Package Weight One Package Weight 0.39kgs / 0.87lb One Package Size 16cm * 15cm * 4cm / 6.3inch * 5.91inch * 1.57inch Qty per Carton 50 Carton Weight 21.05kgs / 46.41lb Carton Size 45cm * 40cm * 30cm / 17.72inch * 15.75inch * 11.81inch Loading Container 20GP: 493 cartons * 50 pcs = 24650 pcs40HQ: 1146 cartons * 50 pcs = 57300 pcs

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1. Bluetooth version: 5.02. Frequency range: 2.402GHz-2.480GHz3. Transmission distance: about 20-30m4. Lithium battery capacity: 3.7V/500mAh5. Charging voltage: 5V6. Charging time: about 2 hours7. Standby time: about 360 hoursFeatures:1. Suitable for a variety of helmets2. With FM radio function, real-time control of road conditions3. Using Bluetooth 5.0 technology, wider coverage, faster speed and lower power consumption4. With voice prompt5. Can answer calls automatically6. Intelligent noise reduction, stable signal, clear callpacking list:-Wireless headset x1-Speaker kit x1-Micro USB charging cable x1-Paste pieces x3-User manual x1Specification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 18cm * 10cm * 2.5cm / 7.09inch * 3.94inch * 0.98inch 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 pcs40HQ: 412 cartons * 194 pcs = 79928 pcs

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1. Main control chip: Gigabit ETH: RTL8153; 2.5G ETH: RTL81562. Expansion chip: VL8053. Network port type: RJ45 port4. Power supply: 5V5. Network standards: Gigabit ETH: 10/100/1000Mbps; 2.5G ETH: 10/100/1000/2500Mbps6. Status indicator light: green light always on, yellow light flashesPackaging list:- Adapter x 1- 16P-Cable-40mm x 1- Screw cap x 1Specification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 14cm * 12cm * 4cm / 5.51inch * 4.72inch * 1.57inch Qty per Carton 72 Carton Weight 8.00kgs / 17.64lb Carton Size 50cm * 38cm * 30cm / 19.69inch * 14.96inch * 11.81inch Loading Container 20GP: 467 cartons * 72 pcs = 33624 pcs40HQ: 1086 cartons * 72 pcs = 78192 pcs

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1. 360-degree omni-directional detection2. Chinese/English/Russian language switching3. Signal level audio alert4. City/Highway mode switching5. Operating voltage: DC 12V6. Measuring range: 250m-1000m7. Packing list: main unit x 1, power cord x 1, suction cup x 2, hook x 1, manual x 18. Weight: about 274g9. Size: about 12.1 x 7.2 x 3.5cmSpecification: Package Weight One Package Weight 0.28kgs / 0.63lb One Package Size 27cm * 18cm * 9cm / 10.63inch * 7.09inch * 3.54inch Qty per Carton 30 Carton Weight 8.50kgs / 18.74lb Carton Size 54cm * 41cm * 32cm / 21.26inch * 16.14inch * 12.6inch Loading Container 20GP: 376 cartons * 30 pcs = 11280 pcs40HQ: 873 cartons * 30 pcs = 26190 pcs

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1. Bluetooth version: V4.0+EDR2. Frequency range: 2.4026GHz-2.480GHz3. Transmission distance: 10M (The transmission distance is different due to environmental factors and mobile Bluetooth devices)4. MIC distance: less than or equal to 1 meter5. Lithium battery: 3.7V/500mA6. Charging time: 4-5 hours7. Standby time: about 180 hours8. Continuous working time: about 32 hours9. Function and scope: listen to music. Answer incoming calls. Voice guidance. Voice call.Specification: Package Weight One Package Weight 0.18kgs / 0.39lb One Package Size 24cm * 13.7cm * 3.5cm / 9.45inch * 5.39inch * 1.38inch Qty per Carton 56 Carton Weight 11.00kgs / 24.25lb Carton Size 54cm * 52cm * 31cm / 21.26inch * 20.47inch * 12.2inch Loading Container 20GP: 306 cartons * 56 pcs = 17136 pcs40HQ: 711 cartons * 56 pcs = 39816 pcs

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1. Rated power: 100-250V, 50/60HZ 2500W Max2. Input: 100-240V, 50/60HZ 10A Max3. PD Output: 5V/3A, 9V/2.22A, 12V/1.67A 20W Max4. QC Output: 5V/3A, 9V/2A, 12V/1.5A 18W Max5. Auto-ID Output: 5V/2.4A 12W Max6. Total power: 38W Max7. Made of flame retardant material, high temperature resistance and long service life8. Built-in multiple protection functions to ensure safe use9. Multifunctional socket, highly practical and wide in useSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 35cm * 10cm * 5cm / 13.78inch * 3.94inch * 1.97inch Qty per Carton 40 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 42cm * 37cm / 20.47inch * 16.54inch * 14.57inch Loading Container 20GP: 330 cartons * 40 pcs = 13200 pcs40HQ: 766 cartons * 40 pcs = 30640 pcs

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1. A variety of fast charging protocols automatically detect fast charging identification test, to meet the needs of various types of cell phone users2. Multi-group data recording battery capacity detection3. When the power supply to the notebook, you can real-time monitoring of charging voltage and current and other parameters of information4. Through the multifunctional key short press switch interface to the hibernation interface for the closed display, but also normal charging to the device at night charging, does not affect the sleep, stand-alone key to re-wake up the displayParameters:1. Voltage measurement range:4.5V-36.0V2. Current measurement range: 0-5A/0-8A3. Capacity totalization range:0-99999mAh4. Power accumulation range:0-99999mWh5. Power measurement range:0.00-150W6. Impedance measurement range: 1-999.9Ohm7. Temperature measurement range: 0-80 degrees celsius8. Timing time: 999 hours and 59 minutes9. Input interface: 5A high current USB interface/Type-C interface10. Output interface: USB/Type-C11. Voltage range: OV-2.99V12. Refresh time: more than 500mS/time13. Measurement rate: about 0.5 times/second14. Display type: IPS true-color digital LCD screen15. Self-consumption current: less than 0.02A16. Operating temperature: -10-60 degree celsius17. Operating humidity: 10-80 (no condensation)18. Working air pressure: 80-106kPaSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 10cm * 7cm * 3cm / 3.94inch * 2.76inch * 1.18inch Qty per Carton 250 Carton Weight 9.00kgs / 19.84lb Carton Size 51cm * 38cm * 32cm / 20.08inch * 14.96inch * 12.6inch Loading Container 20GP: 429 cartons * 250 pcs = 107250 pcs40HQ: 998 cartons * 250 pcs = 249500 pcs

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