Zeniths 50-inch widescreen (16:9) rear-projection R50W47 features an integrated ATSC (HDTV) tuner for convenient, off-air reception of high-definition television programs--no standalone set-top box required (though you may need an antenna). The sets vivid display makes your movies and TV programs larger than life and includes a host of picture-enhancing technologies, upconverting interlaced (480i composite- and S-video) signals to bring VCRs, nonprogressive DVD players, cable boxes, and other entertainment devices up to 1080i or 480p resolution.