Built-in HDTV tuner: Add HD-capable antenna to receive over-the-air high-definition broadcasts, where available. Optional set-top box required for high-definition cable or satellite programming. Built-in DVD player: Lets you enjoy your favorite DVDs and creates a sleek appearance. DVD, DVD+R, DVD-R, DVD+RW, DVD-RW, CD, CD-R, CD-RW and JPEG playback. 2 built-in 3W stereo speakers: With a sound leveler for crisp, clear audio. 21-3/5 screen measured diagonally from corner to corner: Everyone will have a great view of the show or game. Inputs: Include 1 composite video (rear), 1 S-video (rear), 1 component video (rear), 1 HDMI (rear), 1 PC (rear) and 1 RF (rear).