Satco 6.5 Watt Medium Base Dusk to Dawn LED Light Bulb is a versatile bulb featuring a built-in sensor that automatically controls lighting from dusk to dawn. Designed for both indoor and outdoor use, it fits medium base fixtures and can be safely used in enclosed fixtures. This LED bulb exceptional durability and a long lifespan of up to 15,000 hours, making it an energy-efficient and reliable lighting solution for your home or business. Model Number: S11428