The Think Vision T2220 21.5-inch WLED Backlit LCD Monitor meets all users' functional needs in both work & home environments. The WLED backlit panel with wide screen 1920 x 1080 resolution provides full-HD quality to customers. Its popular 16:9 aspect is increasingly becoming standard in the market. With built-in VGA + DVI interfaces & tiltable st&, it offers a comfortable usage experience. Compatible with Windows 7, Windows 8 & Windows 8.1, allowing more flexible usage. In addition, it is environmentally conscious, meeting the latest green standards including US Energy Star 6.0 Certified, TCO 6.0, China Energy Standard Tier 1, EPEAT Gold Certification & VOC test.