Star Sky Night Light Projector,SStechi Multicolor Changes Romantic Rotating Moon Sleep Night Light Lamp with LED Timer Auto-Shut Off in Bedroom Livingroom for Baby Kids Adults Nursery Black This baby star night light projector is very convenient to use, just powered by USB cable with DC adapter (not included) power bank and power source,also powered by 4 AAA batteries(not included) Creates an enjoyable and relaxing bedtime experience for children. Also perfect for adults nursery to attain a relaxing and calming effect in the bedroom, living room, bathroom or spa. Helps drift into a calm and peaceful sleep.Enhance children's imagination: the star sky moon projector light helps you to bring the sky and star back home, kids can recognize the different colors, also improve their concentration and imagination. Beautiful Multifunction star night light or projector lamp. you can make it work as a night light or have a romantic projection show of the moon and stars! Multicolor led star night light Projector ,It have 4pcs super bright red green blue white leds. Can change multicolor creating a romantic, leisure and cozy atmosphere of the space to achieve physical and mental relaxation effect. Sleep Night Light funcition : 1.you should press the switch button 2. press A button to set the time firstly, 3.B button is the rotation switch,press twice to turn off rotation.4.C button is the switch for the light change color, 5.D button is the night lamp,it can be useable in the bedroom for baby kids adults nursery