The Chauvet DMX-355 Oceana 2-channel DMX lighting effect projects a wave-like pattern of blue multi-rays with its exclusive "S"-shaped linear lamp rotating on a horizontal axis. Gives you DMX control over blackout, speed of rotation, pre-programs, sound activation, and strobing. A total of 40 lenses includes 20 light blue and 20 dark blue lenses. Features built-in sound-activated programs and automatically enters standalone mode when no DMX signal is present. Linkable via master/slave. Fan cooled.