Simply connect your AV sources via the model痴 D-Sub, DVI or HDMI ports and enjoy flawless picture quality. The built-in 2 watt speaks offer rich, clear sound for movies, music or video calls. Furthermore, AOC fits out all of its monitors with clever software and presets to further save energy and enhance the overall user experience. It has AC input of 50/60 Hz and 110-240 V. Supported graphics resolutions: 1400 x 900, 640 x 480 (VGA), 1024 x 768 (XGA), 720 x 400, 1280 x 960, 1680 x 1050 (WSXGA+), 1280 x 1024 (SXGA), 1920 x 1080 (HD 1080), 800 x 600 (SVGA), 832 x 624Other CharacteristicsAspect ratio: 16:9Contrast ratio (dynamic): 20000000:1Active display area (W x H): 293.22 x 521.28 mmPixel pitch: 0.2715 x 0.2715 mmHeight: 39.7 cmVESA mounting interfaces: 100 x 100 mmViewing angle, horizontal: 178ｰViewing angle, vertical: 170ｰPower consumption (off): 0.19 WPower consumption (standby): 0.37 WPower consumption (typical): 18.5 WRMS rated power: 2 W