The Osram HTI® 1,000W/PS (Power Series) Lok-it! lamp, the light source in the new Martin Professional MAC Viper Profile™, features eXtreme Seal technology that allows up to 450°C at the pinch seal, emitting 85,000 lumens with a color temperature of 6,000K and a CRI greater than 85. With its rear-insertion esign, users can insert, give the lamp a quarter turn, and lock it into position, using a mechanical stop to prevent turning the lamp too far. The family of lamps comes in metal halide and tungsten halogen, ranging from 300W to 1,500W. Available with two base sizes, PGJX50 and the smaller PGJX28, the lamps are interchangeable with FastFit and Twist & Lock lamps.