Nebula and green laser light star projector. Color changing LED light effects projects colors on walls & ceiling. Custom mix nebula with 4 colors - blue white green red. 3 Levels of brightness - low med high and off. Sky power for nebula effect. Stars power for green laser light stars. Controls: mode/lights on/off volume up/next volume down/previous play/pause/pairing. USB-C port for DC power. Dimensions: 9.06" x 4.92". 90-Day manufacturer limited warranty.