Kids Night Light, Universe Star Projector Lamp for Decorating Birthdays, Christmas, and Other Parties, Best Gift for a Baby’s Bedroom, 5 Sets of FilmHow to operate the star night light: Button A- Press this button to change the lighting effect and color. Press button “A” once to switch on the night light projector. Press the same button 2-6 times to change the lighting effects. Press the same button 7 times to switch the light off. Button B- Press this button to change the degree of brightness. Press it for long to rotate the light. You will simply press button “B” for 2 seconds for the light to start rotating. Specifications: Modes: Star Night Light or Colorful Projection Lamp Styles: 3 colors, 3 brightness, 6 projection effects, 5 different films Product Size: 5.1 * 5.1 * 5 inches Product Weight: 0.6 lbs. Material: Plastic Power Supply Mode: 3 * AA Batteries or USB power line connection Package includes: 1 * Night Light Projector Lamp 5 * films (Universe, Star, Birthday, Sea World and Constellation) 1 * USB cable 1 * Manual NOTE: The 3AA battery is not included,This is a low-voltage night light, please do not use a higher than DC 5V USB cable or adapter of power bank. USB cable keeps good contact with product link wires and can work for a long time. You can adjust the brightness according to your needs to meet your different needs when you use projector lamp.