Overview: 1. The lights of this product consist of red, green, blue and white four-color Northern Lights + green stars + moon projection, each group of lights can be controlled by the remote control independently of the switch, built-in star breathing, blinking, flashing; LED fade, jumping, and other modes, and with a shutdown memory function. 2. The remote control can also adjust the speed of the movement of the Northern Lights clouds, the brightness of the lights (4 levels of brightness adjustable), and the timer function, which can be set for 30 minutes, 1 hour, and time off. External sound sensing rhythm function. Product Information: Product Name: Star Projector Lamp Input voltage: USB 5V/2A Power supply mode: USB cable power supply (mobile power supply, computer, mobile phone adapter) LED power: RGB 3X1W Laser class: CLASS 1 Shell material: ABS Lamp body size: 14X13 X6.6CM Box size: 13.8*12.2*11 .4CM Packing List: Projection lamp + remote control + USB data cable + manual