Optoma  HD73 720p DLP Home Theater Projector Excellent brightness with 1100 lumens and up to a 6000:1 contrast ratio (with ImageAI ) Native 720p high-definition resolution with both 16:9 (for 720P HD) and 16:10 aspect ratios Texas Instruments' DarkChip3 DLP chipset; Faroudja's DCDi image optimization; ImageAI technology for auto-adjusting light intensity Includes full complement of video connections--HDMI, DVI (with HDCP), component, S-Video, and composite Compatible with both PC and Macs; 5x color wheel for superior viewing