Provides Relaxation - It is ideal for mounting on the wall. Its different film shapes project light onto the walls and ceiling. The light creates a relaxed atmosphere and is a great night light for kids who are scared of the dark especially at bedtime. It works by sparking your kids into imagination, thereby making them fell relaxed. Multifunctional - You can either use the night light as a projector by removing the cover or use it as a night light without its film. It can be powered using two different power sources, either through a USB connection or four AAA size batteries. Rotatable Films - With this baby night light projector, you and your kids will love watching the vivid, twinkling stars swirling around the room. Control rotation mode by pressing button. Lighting Effects - The star night light comes with different lighting effects. You can set up the desired color mode and lighting effect by pressing button. Specification: Size: 13*13*14.5cm Weight: 240G Supply voltage: 5V Power supply mode: 3 AA batteries/USB direct plug (NOTE: batteries are not included)