8 channel 5V Computer USB Intelligent Control Switch Relay Module Free driver
- Support for WIN7, for XP 32-bit/64-bit system.
- Using imported high performance USB control chip.
- Square USB interface for stable connection.
- Using special relay drive chip ULN2803, the relay works is more stable.
- Both board power socket and terminal can access to 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 unplugged from the computer.
