Optoma s336DLP, (INSIDE A CARTON) is the perfect DLP projector for classrooms and Business presentation . Powered by 4000 lumens and 22000:1 contrast ratio, the S336 impresses with an incredibly bright image, rich color, and deep blacks. Support for the sRGB color space profile enables rich accurate color, based on the primaries of Rec.709 HDTV specification when used with a PC, Mac, or any sRGB compatible source.