This QIH570-3800/VS Ushio Quartz Infrared Halogen Bulb is an example of efficiently utilizing the heat output of a specialty halogen lamp. Most of the output from this 3800W, 570V, and 2450K light source falls in the infrared region, and it is proven to be an extremely efficient heat energy source. Ushio Quartz Infrared Heater lamp creates clean, safe heat source that can be flexibly controlled and minimizes footprint to maximize design possibilities.