Type : 21.5" Wide Color a-Si TFT Active Matrix 1920x1080 LCD Display Area : 21.5 inch Optimum Resolution : 1920x1080 Contrast Ratio : 1000:1 (typical), 20,000,000:1 (DCR) Brightness : 250 cd/m2 (typ) Viewing Angles : 178° / 178° (typ) Response Time : 4ms (GTG) Panel Surface : Anti-Glare, Hardness 3H Light Source : 30,000 Hrs Colors : 16.7M