The Tri FectaÖ is a unique three color DMX intelligent laser effect that creates different patterns. This unit can be used as a stand alone sound-active unit or in a Master/Slave configuration. The unit can also be controlled via DMX controller. The unitÆs sound sensitivity may be adjusted by a sensitivity adjustment on the rear of the unit. The unit may be mounted in either a horizontal or vertical position. This item is refurbished and includes a 90 day warranty.