Optoma W345 WXGA 3300 Lumens 3D DLP ProjectorThe Optoma W345 is the perfect WXGA projector for classrooms, small businesses, and training labs. With 3,300 Lumens and a 22,000: 1 contrast ratio, the W345 produces sharp image with rich color and superior blacks. Both PC and Mac users can utilize the sRGB color space profile to enable rich accurate color derived from the primaries of REC. 709b HDTV specification. Specifications Luminous WXGA projection with 3,300 Lumens and 22,000: 1 contrast ratio