Product Features 21-5/8" screen measured diagonally from corner to corner:Optimal for viewing in medium-size rooms. Ultraslim design (2-3/4" deep):Ideal for wall mounting (with optional mounting kit, not included). 3D Y/C digital comb filter:For enhanced color and picture detail. Incredible contrast ratio (800:1 native, 3200:1 dynamic) and high brightness (300 cd/m²):For an arresting viewing experience. 1366 x 768 pixel resolution:Supports 720p signals for stunning image clarity. 6W speaker system with sound leveler:Complements your favorite movies, TV shows and games with crisp, clear audio and helps prevent undesirable volume fluctuations. Inputs:Include 2 composite video (1 side, 1 rear), 1 S-video (rear), 1 component video (rear), 1 HDMI (rear), 1 PC (rear), 1 PC audio (rear) and 1 RF (rear). Outputs:Include headphone jack (side) and optical digital audio (rear). HDMI input:HDMI cable not included. High-speed HDMI cable is the only connection that can deliver a full HDTV experience with a full 1080p picture and digital surround sound. PC video input:Lets you connect your computer to experience high-resolution images. Useful additional features:Include channel labeling and sleep timer.