Technical information:
    * Require Power Supply DC 12VDC
    * Comes with controller software to control the Relay and Program to work on standalone mode
    * Can be programmed to work on 7 day / 24 hours time standalone mode ( which RS232 cable can  be removed )
    * 2 Input ( 5 to 24 VDC ) , 2 input is used to check the status before to command each Relay on board [ Example : Relay 1 will turn on if the status of CH1 has 5V on Sunday at 12:00 but if the status of CH1 is 0V, Relay will not turn on ]
    * Battery 3V on board to keep clock running. Set time and download to board by controller software
    * 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 1500W, at Maximum 240VAC.
    * PCB size 82.5mm x 97.9mm
    * Comes with set of command, user can create your own software to control this board, Visual Basic , C++.
    * English instruction how to use.

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