Toshiba 51H83 51-Inch HDTV-Ready TheaterWide Projection TV 51-inch widescreen (16:9 aspect ratio) HD-compatible projection television; 49.6 x 50.5 x 22.5 inches (W x H x D) CrystalScan HDSC upconverts all video signals (including 480i/p) to 1080i HD Improved PowerFocus HD II CRTs enhance sharpness and brightness HD Window dual-tuner POP (picture-outside-picture), PIP audio, direct video input selection HD Dynamic Contrast analyzes picture information to sharpen and deepens those parts with the most detailed information