ViewSonic PG603W WXGA Networkable Projector (PG603W) - Brightness: 3,600 ANSI, Contrast Ratio: 22,000:1, Resolution: 1280 x 800, Aspect Ratio: 16:10, Connectivity: 2 x USB 2.0 Type A, 1 x USB Reader, 1 x Ethernet LAN (RJ45), 1 x 3.5MM Audio Out, 1 x 3.5MM Audio in, 1 x Control (RS-232), 1 x HDMI in, 1 x VGA in, 1 x VGA out, 1 x Composite RCA Video in, 1 x Mini USB, 1 x 10W Speaker