BenQ SH910 HD DLP Projector, BenQ, SH910 – 2x 15-pin VGA Video (Input)1x 15-pin VGA Video (Output)1x HDMI Audio/Video (Input)1x RCA Composite Video (Input)1x S-Video Video (Input)2x 1/8″ (3.5 mm) Miniskirt Audio (Input)2x RCA Stereo (L/R) Audio (Input); Lens: F 2.41 – 2.91 (f = 20.72 – 31 mm)Zoom Ratio: 1.5x Throw Ratio: 1.4 – 2.1:1 (65″ @ 2 m)Projection Size: 24 – 300″ / 609.60 – 7620.00 mm; 4000 ANSI Lumen Ultra-high Brightness. Full HD 1080p resolution; 4000 ANSI Lumens Ultra-High Brightness Full HD 1080p Magnificence 3000:1 High Contrast Ratio LAN Control Projector Management USB Display LAN Display Wireless Display1.5x Big Zoom Ratio Built-In 20W Big Audio PowerSRS-Certified for Tone Audio; 1x 1/8″ (3.5 mm) Miniskirt Audio (Output)1x Ethernet Control/Service (Input)1x USB Type-B Female (Input)1x USB Type-B Female (Input)1x Miniskirt-USB Type-B Female (Input)1x RS-232C Control/Service (Input/Output)1x 1/8″ (3.5 mm) Miniskirt Microphone (Input).