Multi-touch Screen with 8H Surface Hardness Simply touch drag resize & manipulate photos documents or web pages just like on your favourite mobile devices! 8H scratch resistant surface hardness ensures a consistent high quality touch experience & durability. Full HD 1080p Display with 1920x 1080 Resolution The 22 (21.5/54.6cm viewable) Full HD monitor supports imaging intensive commercial applications video & image editing & entertainment. 20000000 1 MEGA Dynamic Contrast Ratio provides a crisp image with high level details. Opti Sync digital/analog inputs expand your connectivity The TD2220 supports Windows 8 touch function & boasts USB (Universal Serial Bus) HID (Human Interface Device) for plug-&-play. The TD2220 can be connected through USB (Universal Serial Bus) for instant two-point touch operation & for experiencing easy navigation through intuitive touch operation. Two USB (Universal Serial Bus) ports for additional connectivity for peripherals & electronic devices. Multi-mode input technology supports both digital (DVI) & analog (VGA) signals for compatibility & configuration flexibility.