The E-142 is great for club or mobile DJs. It is powered by 2 x 15V 150W Lamps (LL-EFR). The unit has a three sided prism that creates an array of multi-colored gobos that crisscross sound actively via its internal microphone. Dimensions: 25"L x 4.5"W x 9"H, Weight: 17 lbs./80kgs.