Product Features 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. 18-1/2" screen measured diagonally from corner to corner:Brings your favorite movies to life. 1366 x 768 pixel resolution:Supports 720p signals for stunning image clarity. 16:9 widescreen aspect ratio:Delivers a cinema-style entertainment experience. 3:2 inverse pulldown:For accurate reproduction of film-based sources. High brightness (250 cd/m²) and incredible contrast (1000:1):For an arresting viewing experience. 5 ms response time:Allows pixels to change colors quickly to avoid streaking, blurring and ghosting in fast-moving scenes. Wide 170° horizontal and 160° vertical viewing angles:Make every seat the best in the house. 3D Y/C digital comb filter:Delivers state-of-the-art detail and color enhancement. Two 3W stereo speakers:With simulated surround sound and a sound leveler delivers a lush soundscape. Ultraslim design (3-1/9" deep):Ideal for wall mounting (with optional mounting kit, not included). VESA compatible. HDMI input:Provides an uncompressed all-digital audio/video link for the highest quality connection and supports copy-protected HD broadcast content. PC video input:Lets you connect your computer to experience high-resolution images. Inputs:Include 2 composite (1 side, 1 rear), 1 S-video (rear), 1 component video (rear), 1 HDMI (rear), 1 PC (rear) and 1 RF (rear). Outputs:Include 1 headphone. V-Chip parental controls:Give you the option of blocking undesirable material that you don't want your kids to see. Handy additional features:Include trilingual menu options (English, French and Spanish) closed captioning, sleep timer, auto zoom and channel labeling.