The PIR sensor light is designed for the areas where are not bright enough but do not need to turn on the light all the time in your lives. It will automatically turn on as people approach the working area where the device is located. This function greatly prevents people from falling over, tripping over objects, and wasting energy. Product Description: 1) The plug-powered light, includes a motion sensor, and very easy to install. 2) Simply instal this device onto a selected socket. 3) The built-in photosensitive resistance and PIR sensor is activated when both darkness and motions are detected. Automatically turns off 45 seconds after the last body movement was detected. 4) This super bright LED light can be installed onto any socket around the home.