High intensity of 14,800 fc (160,000 lux) at 24″ and 5800 fc (63,000 lux) at 1 meter; 3700° K color temperature offers natural and true coloring; Uses three 35-watt quartz halogen bulbs – each rated with a 2,000-hour bulb life. Bulbs wired in parallel for continuous operation. Compact 20″ (51 cm) diameter lighthead. Extremely smooth focus mechanism with center sterilizable handle. 360° limitless arm and mounting system rotation around vertical axes (on single ceiling models). Cool operation for long hours of use. High CRI (Color Rendering Index) of 97. 120 volt standard; 100/240 volt models available. 5-year warranty. UL 60601-1/ 60601-2-41 Certified. Made in the USA.