This is an LCD digital projector with 3 panel 0.7 inch LCD projector, front, rear, ceiling projection modes, 1024 x 768 x 3 resolution, 1300 ANSI lumens, 80% uniformity, manual zoom (1.3X), lens focal length: 21.5 mm-28 mm, infrared remote control (included), 400:1 contrast ratio, 40-200 inch screen size, 5-50 feet (1.64-16.35 meters) projection distance, 21 °-27 ° projection angle, horizontal frequency 15-91 kHz, vertical frequency 50-85 Hz, pixel rate 12-157 MHz, 24-bit color, vertical: +/-15 degrees horizontal: +/-10 degrees graphics on video, video on graphics, audio system 2 channels, 1 watt per channel, video inputs NTSC, PAL or SECAM. Composite, component or S-Video, signals. Computer Input VGA(resized), SVGA(resized), XGA, SXGA(resized) Input Source Automatic detection of: computer graphics or DVI, HDTV, YCbCr, S-Video, AV Language Support (2) English