ViewSonic PJ452 LCD XGA Projector-4.9LBS Advanced video features such as progressive scan and 3:2 pull down LCD / 1500 ANSI lumens with Max Resolution 1024 x 768 Image Aspect Ratio:16:9, 4:3 with Image Contrast Ratio:300:1 Image Size:3.3 ft - 16.7 ft / Projection Distance:4.4 ft - 23 ft Digital keystone correction ensure perfect images in any setting