LDR Photoresistor 5V Relay Module Light Detection Switch

5V Light Photoswitch Sensor Switch LDR Photoresistor Relay Module Light Detection Photosensitive Sensor Board the stable version of the module is 5V supply, without delay function, pull relay matt, bright disconnect

using the photoresistor induction light intensity comes with the relay, direct control load, Distribution bit sensitivity adjustment, start relay threshold set by adjusting the potentiometer, when the dark this threshold, the module relay is energized, bright this threshold, the relay release;