Aspect ratio: 16:9; Resolution: 3840 x 2160; Digital capabilities: 480i, 480p, 576i, 576p, 720p, 1080p, 1080i & 2160p; Contrast ratio: 5,000:1; Viewing angle: 178deg ; Refresh rate: 60Hz; Response time: 6msec; Programmable channel memory; 2 built-in 10W-each stereo speakers; Inputs & outputs: HDMI(R) x 4, VGA, RF, YPbPr, A/V, PC audio, line out & optical; VESA(R) 200 x 200 wall mountable; Includes remote & base stand;