The Lenovo LI2221SW 21" Full HD Backlight LED Monitor has a black glossy appearance, simple and gorgeous. Resolution of 1920x1080 and Dynamic contrast ratio of 10000000:1 offer you a wonderful visual effect. It continued the idea of energy saving and environmental protection of Lenovo. It is Energy-Star 5.1, CEL tier 1, TCO 5.2 and RoHS compliant. 21.5" wide (549 mm) viewable image size with Native resolution of 1920x1080, Tilt stands for viewing comfort. Direct access button for automatic image setup and brightness allows quick and easy monitor setup. It Supports High Definition Content Protection (HDCP), Analog and DVI video signal connectors and direct access for input selection allows easy movement between applications when attached to two systems simultaneously. Certified for Microsoft Windows 7/Vista /XP - Meets 100 mm VESA standard for mounting.