ETC Source Four 70°, black. Up to 40% more light than most 750W ellipsoidals Consumes less than half the energy of 1000W ellipsoidals Interchangeable lens tubes for 90º field angles Super-efficient HPL+ compact filament lamp Faceted dichroic reflector removes 90 percent of heat from the beam Cosine distribution Rotating barrel a standard Tool-free lamp adjustment Rugged die cast aluminum construction Supports ETC Dimmer Doubling, Technology Rated up to 750W. Weight 7,9 kg