GENERAL Display Type LED-backlit LCD monitor / TFT active matrix Aspect Ratio Widescreen - 16:9 Native Resolution Full HD (1080p) 1920 x 1080 at 60 Hz Contrast Ratio 600:1 Color Support 16.7 million colors Dimensions (WxDxH) 20.2 in x 7.1 in x 15.6 in - with stand Horizontal Viewing Angle 90 OSD Languages Chinese (simplified), Brazilian Portuguese, English, German, French, Russian, Spanish, Japanese Vertical Viewing Angle 65 Viewable Size 21.53" Pixel Pitch 0.248 mm Panel Type TN Brightness 200 cd/m' Screen Coating Anti-glare, 3H Hard Coating Horizontal Refresh Rate 30 - 83 kHz Backlight Technology WLED Vertical Refresh Rate 56 - 76 Hz ManufacturerDell, Inc. POWER DEVICE Nominal Voltage AC 120/230 V Frequency Required 50/60 Hz Power Consumption Operational 24 Watt Power Consumption Stand by 0.3 Watt Power Consumption Sleep 0.3 Watt