DIY Stick-on Anywhere Portable 10 LED Wireless Motion Sensing Closet Cabinet LED Night Light/Stairs Light/Step Light Bar with Magnetic Strip (Battery Operated) - Silver Battery Operated: powered by 4pcs AAA batteries(not included) Simple installation: an adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required Automatic sensing: the light will light up when you get within 3 meter of it and will go out 15 seconds after you walk out of its sensing range 10 pcs bright white LED, energy-saving and environment friendly Night Light won't light up during day time when it is bright enough. - Don't put 2 motion activated LED night lights too close.