Three switch modes: Control rotary switch, light colour switch and a night light mode. Colour options: Choose from purple, blue and pink. Atmosphere: Projects cosmos images in various colours to create a relaxing atmosphere. Electronics: Get an LED starry night bedroom projector. Dimensions: 12cm x 12cm x 13.5cm. Powered by: Three AA batteries or a USB cable (neither are included). Decoration: Great for adding a sparkle to weddings and parties. Led Starry Night Bedroom Projector | Blue | Living Social