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. 42" screen measured diagonally from corner to corner:Brings your favorite movies and games to life. 1920 x 1080 resolution:Supports 1080p signals for stunning image clarity. 16:9 widescreen aspect ratio:Delivers a cinema-style entertainment experience. High brightness (450 cd/m²) and incredible contrast (2500:1):Along with a 6.5 ms response time for an arresting viewing experience. Wide 176° horizontal and 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 10-watt stereo speakers:Deliver simulated surround sound for a lush soundscape. 3 HDMI inputs: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 video (rear, side), 2 component video (rear), 2 S-video, 1 PC (VGA) and 1 audio (rear). Outputs:Include audio (rear), digital audio (rear) and headphone jack (side). V-Chip parental controls:Give you the option of blocking undesirable material that you don't want your kids to see. ENERGY STAR qualified:Designed to use less energy and meets strict energy efficiency guidelines set by the Environmental Protection Agency and U.S. Department of Energy. Useful additional features:Include trilingual (English, French, Spanish) on-screen menus, sleep timer, channel labeling and auto zoom.