Task Lamp provides comfortable, glare-free lighting that helps reduce eye fatigue. It conforms to workplace standards and features an energy-saving 13-watt bulb that provides as much brightness as a 75-watt incandescent bulb. The unique (baffle)diffuses light emissions to create soft, even lighting while reducing harsh shadows. UL listed. The rotating, spring-loaded articulating arm and swiveling ballast allow for an infinite number of lamp head positions to direct the light exactly where you need it. Our Task Lamp comes with a desk clamp you hand-tighten to the desks edge without tools.