You can control output which is AC load. By apply DC 5-15V to input of board. In case, you connect board to lamp light. If you want to turn on lamp, On / Off of lamp will be controlled by DC input. just apply 5V to board to turn on the light, Remove 5V to turn off the light.
It works like a mechanic relay, without contacting sound
Technical information:
- Controlled by 5-15VDC ( at least 5mA )
- Can handle 1000W or not over 5A
- PCB size 2.04" x 1.46"