ETC 405 Source Four 5-Degree Ellipsoidal | Color: Black, Connector: Dimmer Doubling Connector (NEMA L515P)The 405 Source Four 5 Degree Ellipsoidal from ETC combines the energy saving power of the patented HPL lamp with a dichroic reflector and optical quality lenses for the coolest beam on the market. That means your gels, patterns and shutters last longer and your performance space stays cooler. No other light offers such optical brilliance. Source Four's revolutionary technology gives you a clean white beam for unequaled imaging, crisp pattern