Panasonic PT-DW640US 6000 Lumens WXGA 1280 x 800 WXGA ProjectorThe Panasonic PT DW640US WXGA Multi Region DLP Projector features WXGA 1280 x 800 native resolution, DLP chip technology and a dual 280W lamp system that produces a brightness of up to 6000 Lumens. Plus, the iris automatically adjusts to match the situation, which results in a 2000: 1 contrast ratio. The PT DW640US is also compatible with multiple lenses for a variety of projecting situations including short throw, long throw zoom and fixed throw