Motion and Darkness Sensor: this motion sensor lights turn on automatically within 10 ft in the dark. Turn off automatically after 12-17 seconds if no motion detected. It will turn on only when motion is detected in dark Widely Application and Easily Install: motion sensor closet lights can be installed in seconds by 3M adhesive strip with magnetic and detach easily also, change battery easily, no tools, screws. Perfect for indoor under cabinets, kitchen, closets, bedroom, stairs, pantry, shelf, showcase, bookcase, basement, cupboard, entryway, mailbox, gun safe, storm cellar, storage, unit tool shed, vanity mirror, workstation, etc. High Brightness and Battery Powered: Night lights include 10 pcs high quality LEDs, Not like a reading lamp but enough to see clearly in dark, operated by 4pcs AAA battery, low power consumption, long battery lifespan, rechargeable battery is highly recommended Tips: if it lights up itself in daytime, means battery runs out, please replace battery asap. Please do not install closet light too close from each other, otherwise lights cannot work. if lights cannot work, please make sure battery is installed correctly and it is dark enough. All battery operated closet light is covered with replacement or refun.d for all non-artificial damage, just contact us via system message before review, you will get satisfied reply