Power supply: built-in lithium battery Function: Warm color three-level dimming, six fixed light colors, streamer gradient Package type: official standard Size:3.5×4.7 inch Duration of use: 12 hours Whether to support APP: No Control method: touch Color classification: wood grain Shell material: plastic Power: 3W Power supply: 5V The main scope of application: home places, leisure and entertainment places, corridors, exhibition halls, hotel lobby, hotel rooms.