The board will detect the light, when the light is dark, the relay 12VDC will be turned on
It can be applied to use with an application to turn on the light automatically and turn off automatically after the sun set.

Technical information:
- Require 12VDC supply
- Current consumption 45mA
- Relay contact 5A@220V or 10A@ 110VAC
- PCB size 2.3" x 1.3"

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