This product is a combination of four color watermark light and green laser. The watermark has four colors of red, white, blue and green. The color of the laser is green. The remote control can control the color of the watermark , speed of watermark, watermark mode, and bluetooth mode. , Unique watermark control, unique laser control, brightness, music control, sound control, select mode, timing function, switch, any mobile phone or other device can be connected when Bluetooth is on without verification. Starlight is widely used: Starlight from projection lamps and nebulae can take you to the Milky Way. It is a multi-functional galaxy projector which can be used as an exclusive starry night light, starlight projector and music player, suitable for baby rooms, playrooms, lounges and romantic dinners. The star shaped spotlight can cover 60 square meters, the greater the distance, the more shaped spotlight area star is big. Simple star wave projector control: For smart star LED