Ivation Sleek 3-in-1 Emergency Black-Out Motion-Sensing Light and Torch - Multipurpose: Power Failure Light, Flashlight & Motion Sensor Night Light Multifunction: serves an Emergency Power failure Light, Flashlight and as an Automatic Motion-sensing Night light that goes on only in the dark and when movement is detected. In the case of an emergency this light will automatically detect any power failure and will automatically light up when Blackout is detected When this light detects normal electricity this light serve as a Motion sensor nightlight, it identifies day and night automatically and will only illuminate at night when movement is detected and Turns off automatically after 20 seconds if no motion is detected Installation is extremely easy, just plug it into any outlet! These LEDS never need replacement And the Environmentally friendly Lithium Ion battery charges wirelessly through your outlet VIA the included base