Excelity's Light Control Switch is mainly used for light detection, brightness detection and control and other occasions, through the potentiometer can be adjusted to detect brightness threshold. With the relay, it can do a variety of brightness detection switch, you can control a variety of street lights, to achieve automatic opening at night, automatically extinguished during the day.This module with power indicator light (red) and relay indicator (blue), and with four M3 screw mounting holes, which is convenient to install.

Specifications:
Power supply: DC5V
Load capacity: AC 0V--250V/10A, DC 0V--30V/10A
Relay working mode: NO(normally open) or NC(normall closed)
Dimensions: 5.3cm*3.1cm*1.9cm

Package list:
-light control relay module x 1
-with 30cm lead photoresistor x 1