Lenovo ThinkCentre 10DQPAR6US - 23 Inch 1920x1080p 1,000:1 Contrast Ratio LED-Lit Monitor A unique modular all in one with an enhanced full HD 23 inch display Equipped with a TN panel that delivers 170 degree viewing and 16.7 million colors The display screen comes with stunning 1920x1080 and 1000:1 contrast ratio with 5ms response time resolution for a clean, clear, and crisp image An integrated USB hub that provides 2 USB 3.0 and 2 USB 2.0 ports A single Kensington lock secures the tiny and extension ODD box together for enhanced security