Included Accessories: Composite video cable, S-Video cable, remote control battery, lens cap, user's manual, quick start guide warranty and power cord The Optoma HD72 Home Theater Projector offers a great combination of quality, performance and value. This high-performance projector is a must-have for enthusiasts -- it delivers brighter and truer colors to your picture. Get great color saturation and subtle color details, for the best in image quality. BrilliantColor technology delivers vibrancy and brightness, while the ImageAI adjust light intensity for amazing contrast ranges. TrueVivid enhancement technology ensures realistic images with superior color precision. Optional flush ceiling mount, to achieve optimal viewing angle. Contrast Ratio - 5000 - 1 in ImageAI mode; 3500 - 1 (full on/full off) Image Size - 28 to 304 inches (0.7 to 7.7 meters) Projection Distance - 3.9 to 39 feet Video Compatibility - NTSC, PAL, SECAM, EDTV, HDTV Computer Compatibility - UXGA, SXGA+, WXGA, XGA, SVGA, VGA Compression, (PC & Mac compatible) Scan Rates - 15-75 KHz (H), 43-85 KHz (V) I/O Connectors - HDMI, DVI-I w/HDCP, COmponent, Composite (RCA), S-Video, RS-232, two IR receivers, dual 12+12V trigger relays Noise Level - 27 dB Lamp life and type - 220W P-VIP, 3000 hrs. STD Unit Dimensions(WxHxD) - 13.56 x 3.72 x 9.67 Weight - 7 lbs. (3.2 Kg)