Star projector very suitable for projection on walls and ceilings, different lights create a relaxing atmosphere, for children at bedtime, this is a great night light. Remove the cover, you can use the night light as a star-filled projector, or use the night light as a night light with a cover to help children sleep well in a quiet environment. The star night light has 4 different lighting effects, which are monochromatic, two-color, three-color and four-color combination.