Dell 19 E Series Monitor : Diagonal Viewing Size: 47.01 cm 18.5 inches (18.5-inch wide viewable image size) Aspect Ratio Widescreen (16:9) Panel Type, Surface: TN (Twisted Nematic), anti glare with hard coat 3H Optimal Resolution: 1366 x 768 at 60 Hz Viewable Image Dimension (H x W): 409.8 mm x 230.4 mm 16.13" x 9.07" Contrast Ratio: 600 to 1 (typical) Backlight Technology: LED Brightness: 200 cd/m2 (typical) Response Time: 5 ms (back to white) Viewing Angle: (65° vertical /90° horizontal) Adjustability: Tilt only Color Support: Color Gamut (typical): 83% (CIE 1976)1 Color Depth: 16.7 million colors Built-in Devices: Dell Display Manager Pixel Pitch: 0.30 mm Display Type: Widescreen Flat Panel Display Flat Panel Mount Interface: VESA (100 mm) mounting holes for flexible mounting solutions Display Screen Coating: Antiglare with hard-coating 3H Audio Output: Optional Dell Soundbar (Model #AC511)