A great ambience effect that uses a green and red laser in combination with a smooth water wave projector. The laser gives an effect similar to light shone on a mirror ball. The blue LED produces a soothing cloud effect. Plug & play: No external controllers needed, separate rotation controls for lasers and projector, Strobe control for each laser + dimmer for the LED projector. perfect for projections on walls and ceilings in bars, clubs and hotels. Key activated on/off switch for additional safety. Complies to EN/IEC 60825-1 for Laser Safety.