Check the listing for details. 2pcs DC/ AC 12V Auto On Off Light Photocell Switch Control Dark to Dawn Sensor. Color: White, Condition: New. Listed at 14.98 USD. Features:100% quality and Brand new.To turn on or off the light in day and night without manual operationDo not install the control unit in a place extremely darker in daytime or a place directly by lighting of turning - ON lampWidely 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 12V lamps and lanterns or equipmentRainproof performance, more suitable for outdoorSpecifications:Model:AS-20Input Voltage: DC/AC 12VMax Load Current: 10AFrequency:50-60HzTwo options:Adjustable sensitive. Wiring Diagram: Package Included:2 x Photocell Control Sensor