BenQ 9H.JE177.13E 1024 x 768 3200 AL Projector 13,000:1 Aspect Ratio: 4:3 Contrast Ratio: 13,000:1 Lens: F=2.6-2.78, f=10.2-12.24mm Display Colors: 1.07 Billion USB: USB (Type mini B) x 1 (Download & Page Up/ Down) USB (Type A) x1 (1.5A Power Supply) Other Connectors: Computer In (D-sub 15pin) x 1 (Share with component) Monitor Out (D-sub 15pin) x 1 Composite Video In (RCA) x 1 S-Video In (Mini DIN 4pin) x 1 HDMI (1.4a) x 2 (One share with MHL2.0) Audio In (Mini Jack) x 1 Audio L/R In (RCA) x 1 Audio Out (Mini Jack) x 1 Speaker 10W x 1 RS232 (DB-9pin) x 1 IR Receiver x 2 (Front + Top) Power Supply: AC100 to 240V, 50Hz to 60 Hz