POWER WAY You can power it via a USB cable connected to your computer, laptop, or power bank. Also, it can be powered by 4 AAA batteries(Batteries are NOT included). Please note that USB cables and batteries can not be used at the same time. NEWEST GENERATION No noise while self-rotating, stars night lamp gives your child a good night's rest. The higher power beads are bigger and brighter. It has a longer lifetime and is not easily damaged. BRIGHTER 4 BEADS 4 LED bulbs(red, green, blue, white) are brighter than the old ones. Also, it has a much wider projection range. The light is eye-protection, super soft for baby children to look at. INDOOR DECOR & IDEAL GIFT For the wedding, birthday party, baby shower party, and festival celebration creating a romantic atmosphere. Great decor for bedroom, nursing who scare of the dark. A fabulous gift for kids children on birthday, Christmas, Children's Day. STAR PROJECTION Unique and colorful star projector night light for kids which projects a night sky of moon and stars on your ceiling or walls. Arouse kids' interest in the universe, ideal for romantic lovers and families. There are two power supply modes: battery and USB Suitable for decorating weddings, birthdays, and parties Material: ABS LED quantity: 4 LED bulbs (0.8w warm light, 0.5w blue light, 0.5w green light, 0.5w red light) LED light color: yellow, green, red, and blue