Screen Size 21.5 Inch Maximum Resolution 1920 x 1080 Brightness 250 cd/m2 Contrast Ratio 100,000,000:1 Response Time 8ms Screen Technology Full HD Aspect Ratio(s) (W:H) 16:9 Viewing Angle 178 Degrees Display Refresh Rate 60Hz Colour Space 16.7 Million Colors Supported Operating Systems Android 4.2 Jelly Bean Wall Mountable Yes Webcam 2 MP camera USB Hub Yes Available Colours Black Types of Ports USB 2.0x3 Speaker(s) 2 Speakers Processor Model NVIDIA T33 Quad-core Wireless Network Connectivity 802.11 b/g/n Bluetooth Bluetooth 2.1 Power Supply 100V ~ 240V Dimensions 14.15 x 20.18 x 2.23 Inch Included Accessories Wireless keyboard, wireless mouse