Ohuhu Color Changing Led Night Light Lamp Realistic Aurora Star Borealis Projector Removable hemispherical cover, dual use as an aurora projector or a colorful night light. 8 light projection modes, red, blue, green, and multicolor, choose what you want depend on your mood. Built-in speaker, volume adjustable, you can plug in an iPod, iPhone, MP3 or other device and play lullaby music, relaxing, meditation music through the projector while watching the patterns at night. Automatically shut off if there is no operation within 45 min, you can go to sleep with it and it will shut down on it's own, really convenient in kids bedroom. Project realistic aurora borealis and nebular light on ceiling or wall (as shown in the pictures when the hemispherical cover is removed), create an enjoyable and relaxing bedtime experience for children, soothe and comfort kids to sleep, also perfect for adults to attain a relaxing, calming or romantic effect.