The Convenience Light provides a safe, low cost method of automatically lighting closets and cabinets or even in the outside compartments in your RV! A built-in sensor switch turns the light on automatically whenever the door is opened. A protective lens prevents stored items from touching the bulb. Built in spring loaded switch automatically closes and turns on light when door of closet or cabinet is opened. Lights are pre-wired for easy installation. Uses one #561 bulb.