ViewSonic's 22" display, the TD2220, is Windows® 8 compatible and boasts instant multi-touch functions via a USB connection. The advanced optical multi-touch technology allows for an intuitive operating experience regarding zooming in and out, level traversing and other touch operations which enhance work efficiency. With finger touch, stylus, and support for use of other tools for screen inputs, the TD2220 allows responsive and fluent panel navigation as well as flexible user demands. The Full HD 1080p resolution displays true color and delivers high quality multimedia entertainment content. The TD2220 also uses a topaz class 8H hardness protective glass, providing robust and safe usage.  
<li>Infrared Optical Multi-Touch Technology and Microsoft Windows® 7 touch certified</li><li>SRS Premium Sound® paired with integrated speakers</li><li>2 USB ports for connecting external devices</li><li>Full HD resolution for high-definition applications, movies, and games</li><li>Optical IR Touch technology</li><li>Two-point optical touch</li><li>Topaz-class 8H hardness protective glass strengthen the ability of anti-wear and increase durability</li>