Model Name E2270SWDN Panel size 21.5" Screen Ratio 16:9 Response Time (Typical) 5MS Recommended Resolution 1920x1080 Contrast Ratio 600:1 (Typical) 20,000,000:1 (DCR) Brightness (Typical) 200 cd/m² Display Color 16.7M Viewing Angel (H/V) 90/65 Viewable Image Size (mm) 547 Display Area 476.64 (H)×268 (V)mm Pixel Pitch (mm) 0.248 Scan Frequency (H/V) 30-83KHz/ 50-75Hz Pixel Frequency 108MHz Input Signal Analog & DVI Input Connector Analog & DVI Built-in Speaker NA HDCP Compatible YES Input Power 100-240VAC, 50/60Hz Power Supply Build- in Operation Mode (W) 17W Stand by Mode (W) <0.5W Wall- Mount VESA 100x100mm Cabinet Color Black Phys. (W×H×D) mm 503×407×115 Package Box (W×H×D) mm 558×394×108 Weight (Net/ Gross)(Kg) 2.7/3.45 Tilt -3°~10° Kensington lock YES Plug & Play VESA DDC2BT & DDC2B/CI User Control Power/Auto USB Plug NA Safety Regulation CTUVus, FCC, CB/CE, EPA6.0, Windows 8, CCC, BSMI, RoHS