5pcs AC 220V 10A Automatic Auto On Off Street Light Switch Photo Control SensorFeatures: 1. Automatically detects environmental illumination with internal circuitry automatically shut down during the day, automatically turns on at night2. Three wire system, compatible with resistive, inductive and capacitive loads multiple lights. 3. Control object for LED lights, energy saving lamps, fluorescent, incandescent, exhaust fan lights. 4. With delay function when environmental conditions change. 5. Widely used in street lighting,