8-channel Computer Control Switch Reliable Relay Module For Automation

Feature: \n 1. Square USB interface for stable connection.\n2. Using imported high performance USB control chip.\n3. Using special relay drive chip ULN2803, the relay works more stable.\n4. 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 unplugged from the computer.\n5. Support for WIN7, for XP 32-/64- system. \n\nSpecification: \n\nFeatures:\n\n--\n\nSquare USB interface for stable connection.\n\n--\n\nUsing imported high performance USB control chip.\n\n--\n\nUsing special relay drive chip ULN2803, the relay works more stable.\n\n--\n\nMilitary grade PCB board production.\n\n--\n\nBoard 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 unplugged from the computer.\n\n--\n\nSupport for WIN7: