The Ark Lite instantly projects a rotating, warped laser effect against a drifting blue nebula cloud with unmatched brilliance. BlissLights incorporate direct diode Lasers, precision glass optics and holographic technologies to create an otherworldly visual experience. Simple button controls make it easy to cycle through light effects, adjust brightness, or start/stop the rotating motion. 6-hour auto shut off timer. Comes with 3ft AC wall adapter.