Easy to use & Memory Functionsingle press the center of the LED light to turn on or off and long press to dim or increase the brightness intensity, the last time brightness is back when you restart the battery powered lightEasy installationtouch lamp with magnetic base can be stuck using the stickers provided or installed on metal surfaces, so you can put the night lights anywhere and use the small lamps for travelSmall occupation of the SpaceThe cordless lamp is powered by 3 AAA batteries(NOT INCLUDED); dimension: 81mm in diameter and 25mm in height, night lamp takes up little space but serves as a good assistant kitchen/closet/baby room/wardrobe/showcase/dressing room/living room/bathroom/hallway/wardrobe/stairs/entrance/shelf/passage etc.NoteSticker night light is an additional light source; you can use the touch lamps jointly or separately; a smooth surface is preferred for proper attachment of the adhesive lightLED Key LightSpecifications: Adjustable Brightness Brightness Memory Battery Powered Magnetic Base Kid's bed.