Sell DC 12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131 best price

DC 12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131 The light threshold can be adjusted by the potentiometer to set the relay to start. Input: DC 12V Load capacity: 10A / AC 250V or DC to 30V Red LED lights up: indicates power is on Blue LED lights up: relay is working Module output terminal has three ports Normally open (NO) Public terminal (COM) Normally closed (NC)