This limited edition SteelSeries Zboard for the World of Warcraft expansion, Wrath of the Lich King, is a unique gaming keyboard providing specialized functions for World of Warcraft and the ability to adapt for any game through Mod files and removable keysets. The "anti-ghosting" feature allows for up to 7 simultaneous keystrokes as opposed to the industry standard of 2-4. In addition to the specially developed gaming keyset for World of Warcraft: Wrath of the Lich King, the SteelSeries Zboard also comes equipped with two USB 1.1 ports and a standard keyset for everyday use.