This laser light is available in 2 colors, please purchase according to your preferenceIt created a colorful nebula galaxy sky with blue stars on the walls and ceiling. Conducive to your peace and sweet sleep, create a romantic atmosphere, and stimulate children's interest in astronomy. You can change the color of the nebula and the moving speed of the clouds and stars in the "Smart Life" app. If you dont like blue stars, please check the green stars version.Create a good sleeping environment for your baby and present an unforgettable night to your family or friends. Ideal for astronomy enthusiasts, romantics, kids who like distinctive night lights or anyone who wants to bring stars into their homes.Apps and voices controlled by Tuya's "Smart Life" app. Can bring you visual enjoyment. Scan the QR code of the IOS or Android application and download the application. Use with Alexa and Google homepage. There is also a button in the center of the projector to change the color of the nebula. Passed CE, RoHS, FCC certification. Please note: The projector is not compatible with 5G.Compact size and round shape. 6.4" diameter. Can be powered by the included 5V/1A USB charger and 6" long USB charging cable or optional mobile power supply for outdoor use (contact us on the nuvending website to request an optional mobile power supply or have any Problem. Use the power button if there is no WiFi available, please change the nebula color on the device). It is very suitable as a galaxy projector, romantic mood lamp, night lamp and bedside lamp or indoor decoration for outdoor camping or party fun.A variety of colors combined with dynamic night sky projection at different speeds creates a relaxed, romantic and colorful space projection atmosphere, showing you the gorgeous starry sky. Adjust the light color, speed and brightness of parties, romantic dates, sleep, and games. One-year warranty and support from an American company.Note: This product does not contain batteries