Description: 100% Brand New High quality Use photoresistor sense light intensity, onboard relay and direct control loading With potentiometer adjust sensitivity, setting relay start value 12V power input for relay usage, onboard SS14 suppression transistor, offer sensor comparator Onboard optocoupler isolate drive relay, effectively protect chip Specification: Material: Plastic Color: As picture show Size(LxWxH): Approx. 55x33x15mm/2.17x1.30x0.60inch Package Includes: 1 piece Relay Module Note: Pls allow an error of 1-3mm due to the difference of manual measurement
