54.6" screen (measured diagonally) matte screen with black bezel and cabinet tuner receives over-the-air HDTV broadcasts (antenna required) QAM cable TV tuner (subscription required to receive cable channels — contact your local service provider for details) direct-lit full-array LED backlight for high picture contrast 5,000,000:1 dynamic contrast ratio Clear Motion Rate 240 blur reduction (120Hz refresh rate plus backlight scanning) built-in stereo speakers (10 watts x 2) illuminated remote control meets ENERGY STAR® requirements picture settings memory for each video input Connections and Dimensions: 3 A/V inputs, including: 1 component video (selectable component/composite) 2 HDMI v1.3 RF input for antenna/cable signals optical digital audio output stereo minijack output for connecting a sound bar or home stereo system USB port for connecting a camera or thumb drive detachable stand (stand "footprint" is 22-3/4"W x 9"D) wall-mountable (bracket not included) 49-1/4"W x 29"H x 4-1/2"D (31-1/8"H x 9"D on stand) weight: 51.1 lbs. with stand; 45.4 lbs. without stand