KNACRO 12V 8 Channel USB Relay Module Programmable Computer Control omputer USB Control Switch/Driver/PC Intelligent Controller;

APP Download:
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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

Package included:

1 x 8 channels USB relay