Technical information:
    * Power Supply DC 12VDC
    * Comes with controller software to control the Relay
    * Command 4 Relay on / off , just click. No effect when PC was shut down, Relay can stay last status on/off.
    * Connect to PC / Laptop via COM port / RS232. Make sure that your PC / Laptop has this port
    * Each Relay can handle 1100W, at Maximum 240VAC.
    * PCB size 76.45mm x 90.18mm
    * Comes with set of command, user can create your own software to control this board, Visual Basic , C++.
    * English instruction how to use.

**Free Tracking Number**