12v 8 Channel Usb Programmable Relay Module

Product description

APP Download: 
https://www.amazon.com/clouddrive/share/8Qn3vw8915JaZiv5bYzuBJWg1Ic4kibOcus1BhTJcrS

This USB controlled relay board with 8 channels is used the HID technology- so there is no need to install any driver in windows system. It's convenient and very easy to use. 
Specification: 
Relay type: 12V relay 
Contack type: NC / COM / NO 
Input current: ≥300mA 
Input voltage: DC 12V 
Max load: AC250V/10A or DC30V/10A 
Support Win XP/Win7/Win8 32-bit systems 

Application: 
Robotics control 
Home automation 
Control doors and windows via windows system 
Controller power supply