LED backlit technology with full HD 1920x1080. Wide view angle: 178°(H)/178°(V). User-friendly operation menu. High reliable components for 24/7 working. 1 channel HDMI 1.3 input interface. Three image modes to adapt different environment. Support software spread-spectrum technology to reduce EMI radiation. VESA stand bracket. Dimension: 21.5 inch (489x378x167 mm). Brightness: 250 cd/m². Contrast: 3000:1. Active area: 476x268 mm.