This smart sensor night light will automatically turn on when your motion is detected 16 feet (about 5 meters) away in darkness, and it will automatically turn off 15 seconds after you leave. Note: This light does not turn on during the day The light from this LED sensor is white, harmless to the eyes, suitable for cabinets, hallwPXCL, stairs, etc. b Features \/b Size: 9 x 9 x 2.3cm (L x W x H) Mass: 68g This LED sensor light designed with a magnet on the back can attach to the metal surface It can stick anywhere by using the 3M sticker It can be hung on the wall at through the hole in the back Brightness: 60 lumens Detection distance: 0-5 meters 120 degree detection angle b What you get: \/b Each package comes with 1 smart sensor night light, 1 3M tape. Note: Batteries are not included.