Optoma DV10 MovieTime Home Theater DLP Projector With Built-In DVD Player 1000 ANSI Lumens 854 x 480 (480p) W-SVGA resolution Up to 4,000 - 1 contrast ratio 16 - 9 Aspect ratio 36 - 335 Image size projected on wall or screen (for best resolution, contrast, and brightness, we suggest purchasing an optional screen)