Optoma EX532 XGA 2800 Lumen Multimedia DLP Projector 2800 ANSI lumens Native XGA (1024 x 768) resolution 3000:1 contrast ratio Texas Instruments DLP chipset & BrilliantColor technology Connectivity options: 2 VGA in, VGA out, S-video, composite video, RCA audio in, audio out, RS-232 & USB