The Arri ST2 Studio 2000 Watt Hanging Fresnel Light is part of the ARRI TRUE BLUE series. ARRI TRUE BLUE represent an unprecedented evolution of the studio fixtures that have been popular workhorses for over two decades. Following extensive research and feedback from lighting professionals around the world, combined with advances in technology, ARRI has designed a series of six highly innovative lampheads with over 30 new improvements for studio and location lighting.Weight: Approximately 26.6 lbs.Cable: 3.0 ft. (1.0 m) cable w/o switchLens Diameter: 10″ (254 mm) low expansion borosilicate Fresnel lensReflector: Spherical specular high purity aluminumLampholder: G22/38Mounting: Pipe clampCertification: NRTL-US-C; CE; IP23CAT 552201