This motion sensor bulb will automatically turn off when no motion is detected and also turn on automatically when: you get into the room/ motion is detected. This motion sensor LED light bulb is equipped with a motion and light sensor. Built in motion sensor makes it illuminate for up to 30 seconds after motion has been detected. The light sensor ensures that this function only works when the area being illuminated is dark. You save on energy because the bulb will only illuminate when it is needed. It is rated at 25,000 hours making it among the most durable LED light systems in the market. Easy to install design allows you to buy it and start using without the need to hire a professional. Suitable for use to illuminate verandas, corridors, entryways, closets, kitchens, staircases, among other areas where we normally forget to turn off the lights after exit.