Buy on Amazon : br InFocus Work Big IN36 Projectorbr br Aspect Ratio - 4x3 native supports 16 - 9 4 - 3 and 5 - 4 br Brightness - 3000 max ANSI lumens br Contrast Ratio - 1000 - 1 full onfull off br DLP by Texas Instruments -- 07 XGA DDR DMD br 4-segment 2-speed color wheel