4 x LDR Boards & Sensors (That's Under $10 Each Delivered)

The Photo-resistor Relay Board Module is activated by the presence of light.

When photo-resistor detects enough light, the relay will be activated.

The light threshold can be adjusted by the potentiometer.

Specifications: 

DC 12V Load capacity: 10A / AC 240V 

Green LED: Relay is activated

Red LED: Power 12v DC

Uses: 

Connected to a Solar Pump - When connected the pump it will only come on when there is enough sunlight

Connected to a Light - When the sun goes down or Comes up the relay will switch on or off Depending on No or NC

A Door Alert - Put a light one side and LDR the other when the light beam is broken the relay will switch

100's of other uses :-)

Package: 

4 x 12V Relay Board Module & Sensor Combo

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