Provides relaxation - great for wall mounting. Its different membrane shapes cast light onto walls and ceilings. The light creates a relaxing atmosphere and is a great night light for kids who are afraid of the dark especially at bedtime. It works by stimulating your child's imagination, thereby relaxing them. Multifunctional - You can use the night light as a projector by removing the cover, or you can use it as a night light with the cover open. It can be powered by two different power sources, via a USB connection or by three AA batteries (batteries not included). 5 Optional Rotatable Films - Kids Star Night Light comes with five optional films. These patterns include: happy birthday, magical planet, starry sky, constellations, underwater world. As such, it casts light onto walls or ceilings in five selectable styles. 6 Light Effects - Starry Night Light comes with 6 different light effects, namely blue, yellow, white, continuous, slow fade and combination. You can set the desired color mode and lighting effect by pressing the "A" button. GREAT GIFT - This night light is the perfect gift for a kid's bedroom. It is also ideal for decorating events with colorful projected stars. For example, you can use it to decorate weddings, birthday parties, or even use it during Christmas. You can also use it as a romantic night light or decorative night light.