Home Gallery HK LED Cosmos Star Master Sky Starry Night Light Lamp Projector Space Solar System(With USB Cable) Put the universe back home,and bring you a piece of the sky with changing colors With USB cable, connect and then press the button, you will get the amazing view This creates a larger, more brilliant light show for your viewing entertainment Auto flashing star, multi colors,decor your room, house. Power supply:3 x AA battery(not included)