Dell 20 P Series Monitor : Diagonally Viewable Size: 49.4 cm 19.5" (19.5-inch wide viewable image size) Aspect Ratio: Widescreen (16:9) Panel Type, Surface: In-plane switching, anti glare with hard coat 3H Optimal resolution: 1600 x 900 at 60 Hz Contrast Ratio: 1000: 1 (typical) 2 Million:1 (Max) (Dynamic Contrast Ratio) Brightness: 250 cd/m2 (typical) Response Time: 8 ms (gray to gray with Overdrive) Max Viewing Angle: (178° vertical / 178° horizontal) Color Support: 16.7 million colors Pixel Pitch: 0.2712(H)mm x 0.2626(V) mm Panel Backlight: LED Display Type: Widescreen Flat Panel Display