HP Promo Z24i 24" LED LCD Monitor - 8 ms Display Type: LED-backlit LCD monitor / TFT active matrix Diagonal Size: 24" | Viewable Size: 24" Aspect Ratio: Widescreen - 16:10 Native Resolution: 1920 x 1200 at 60 Hz | Color Support: 16.7 million colors | Contrast Ratio: 1000:1 / 5000000:1 (dynamic) Horizontal Viewing Angle: 178 | Vertical Viewing Angle: 178