A brilliant rainbow is projected across your walls and ceiling. It's a sure way to make any room a happier place. With this amazing rainbow projector, you can enjoy the beautiful rainbow in your room. BATTERY-OPERATED--4 x AAA batteries,(Battery Not Include ). Low power consumption and very long working life. Perfect for Kid's Room, Living Room, Bedroom, Bathroom, Hallway, Stairways, Corridor, Garage or any dark corner.