Automatic Auto Turn on/turn off Photocell ourdoor  Light 
Easy to install and Convenient to use
Widely used: street light, highway, factories, garden, ports, airports, farm, parks, schools, and other places. Also can fit into solar lamps and lanterns, or cars, motorcycles, electric cars
Power supply voltage :12V 24V 48V 110V 220V 85-305V  80-420V or make custoemr needs 
These photocontrols are designed to turn lights on at dusk and off at dawn. Each features a built-in delay that helps to prevent false cycling due to car headlights and lightning. They also feature die-cast aluminum housing. Use with parking lot lighting, security lighting, billboard lighting, municipal lighting, roadway lighting, and street lighting
Specification:
To turn on or off the light in day and night without manual operation
Do not install the control unit in a place extremely darker in daytime or a place directly by lighting of turning - ON lamp
Widely used: street light, highway, factories, garden, ports, airports, farm, parks, schools, and other places. Also can fit into solar lamps and lanterns, or cars, motorcycles, electric cars and other power supply voltage is 220V lamps and lanterns or equipment
Easy to install and Convenient to use