This is USB controlled relay Board with 2 channels. It is used the HID technology, so no need to install any driver in windows system and you can easy to use. We also provide an application and the C++ develop library that you can easy to integrate this module to your project.
The relay can control the maximum voltage 250V, 10A AC load and 30V, 10A DC load
Support WIN7, XP 32 -bit systems

This module can be used:
-Home automation
-Robotics Contorl
-Control doors and windows via windows system
-Contorler power supply

Module Parameter:
Relay Type: Songle 5V Relay
Relay QTY: 1
Contack Type: NC/ COM/ NO
Input Voltage: DC 5V
Input Current: >300mA

1 x USB Relay Programmable Computer Control Relay Module