ViewSonic PA503S

ViewSonic/ PA503S SVGA (800x600), 3600 lumens, 22000:1 contrast, exclusive SuperColor technology, 1.96~2.15 throw ratio, 1.1x optical zoom, 29dB noise 1 x HDMI Audio/Video (Input) 1 x 15-Pin VGA Video (Input) 1 x 15-Pin VGA Video (Input/Output) 1 x RCA Composite Video (Input) 1 x 15-Pin VGA Video (Output) 1 x 1/8" (3.5 mm) Mini Audio (Input) 1 x 1/8" (3.5 mm) Mini Audio (Output) 1 x Mini-USB Type-B Female (Input) 1 x RS-232C Control (Input)