Equipped with photosell sensor, the light bulbs sensor socket is able to turn on/off at dusk to dawn basics, turning your standard light fixture into a automatic dusk to dawn light. No need to physically turn the light on and off. 3-time setting to choose- programmable light controller to automatically turn your light fixture "ON" at dusk and "OFF" after 2-hours, 5-hours or 8-hours or at dawn, helps to illuminate the night while avoiding unnecessary waste. No wiring and programming needed, just screw your light bulb into Light socket and screw it to the light fixture, make sure the dawn to dusk sensor faces nature light source, for indoor use or outdoor under shelter. Color: White. Material: Thermoplastic.