Product Details
Product Description
1. Onboard square USB interface, stable connection
2. Use imported high performance USB control chip
3. Using a special relay to drive the chip ULN2803, the relay works more stable
4. Use genuine relay
5. Military grade PCB board production
6. Board power socket and terminal, two ways to access the power supply are convenient and flexible. When the power is connected, the relay can remain set even if the computer is turned off or the USB is removed from the computer.