The Double Derby is a popular and powerful effect that has revolutionized the lighting industry for years. It is a powerful effect for both clubs and mobile DJs. This unit features 2 x 120v 300w Lamps (EL-64514) that respond sound actively via its internal microphone. The effect creates a dramatic cluster of 40 multi-dichroic colored beams crisscrossing throughout the room. Due to its oval lens design, the coverage is enormous. You cannot go wrong with the E-108. Dimensions: 16"H x 11"W x 14.5"D Weight: 24 lbs.