Lightahead LED Rainbow Lamp Wall Ceiling Project Night Light Arch Shape Romantic Projector Light Room Hallway Lobby Decoration Sleep Light Colorful Gift for Children IDEAL FOR HOME : See a magical rainbow on the walls or ceiling via 5 LED projector wonderful device projecting waves of rainbow. There are 2 Modes -Mode 1 the warm rainbow starts one color at the time and mode 2 all colors gleam together EASY TO OPERATE : Turns on with the push of a button.The light will turn off automatically after worked 10 minutes, just touch switch,the light will turn on again. VERY BRIGHT LEDs : Uses the latest Multi-colord LED Bulbs, which makes the rainbow much brighter, more realistic and more colorful. Powered by 4 AAA batteries (not included in the package) Or USB wire and adapter (Included) APPLY TO DIFFERENT PLACES: Good for bedroom, childrens room, hotel, corridor, showroom.