ViewSonic PG800X XGA Installation Projector (PG800X) - Brightness: 5000 ANSI lumens, Contrast Ratio: 5000:1 (with Eco mode), Resolution: 1024 x 768, Connectivity: Input: Computer in (share with component): 2, Composite: 1, S-video: 1, Audio-in (3.5mm): 2, Audio-in (RCA R/L): 1, Microphone in: 1 (shared with Audio-in 2), HDMI: 2 (Back&PortALL), 3D VESA (Sync): 1, Output: Monitor out: 1, Audio out (3.5mm): 1, Speaker: 10W Cube x 2, USB type A (Power): 1 (5V2A), USB type Micro B (Power): 1 (5V2A Front), 12V Trigger: 1 (3.5mm), IR out: 1, Control: RS232: 1, RJ45: 1, USB type mini B (Services): 1, Wired Remote Control - Out: 1 (Share to top IR)