This 720p model features a built-in ATSC/QAM digital tuner to bring you over-the-air digital broadcasts and unscrambled digital cable channels.the picture quality of an HDTV without an HD source may not be much better than that of a standard-definition TV. Please contact your local cable or satellite TV provider for details on how to upgrade to HD programming.32-inch widescreen LCDDelivers 1366 x 768 resolution with over a million pixels for superb picture quality at 720p Built-in ATSC digital / NTSC analog tunerReceives conventional analog broadcasts and digital broadcasts including HDTV programs where available 800:1 contrast ratio and 9-ms. response time.