The ProLite B2280HS is a high specification 22’’ Full HD 1920 x 1080p LED-backlit monitor with Height Adjustability and Screen Rotation allowing you to set the perfect position of the screen ensuring ergonomic posture and optimal viewing comfort. 5msec black-to-black response time and 5000 000 : 1 Advanced Contrast Ratio make the B2280HS ideal for Video Conferencing DTP and CAD as well as the usual text based applications. Triple Input support of Analogue DVI and HDMI ensures compatibility with the latest installed graphics cards and embedded Notebook outputs. The monitor is Energy Star Certified.With true 1920 x 1080p resolution the monitor is ready to display high definition images. This means it can accommodate more information on the screen; e.g. 60% more in comparison to a 1280 x 1024 monitor.Contrast Ratio is a measurement of the difference between the darkest black and the brightest white the monitor can display. Advanced Contrast Ratio is a feature that automatically adjusts contrast and brightness of the screen to assure perfect picture quality while watching films and playing games.