With an awesome host of features the Razer Lycosa is on an unstoppable mission to destroy and dominate. Keytop with nonslip rubber finish With its nonslip rubber finish the Razer Lycosa offers optimum tactile comfort and makes slipping up in the heat of action a thing of the past Backlight Illumination with WASD cluster lighting option Make darkness your ally. While your enemies fiddle in the shadows command precision and take hold of their fate with backlight illumination on the Razer Lycosa. With the right keys lit up you can always be sure of your next move. Fullyprogrammable keys with macro capability Be one step ahead of the competition with fullyprogrammable keys with macro capability that enable instantaneous command executions. Specifications Keytop with nonslip rubber finish Backlight illumination with WASD cluster lighting option Fullyprogrammable keys with macro capability Gaming cluster with antighosting capability Slim keycap structure with Hyperesponse technology TouchPanel easy access media keys Gaming mode option for deactivation of the Windows key 10 customizable software profiles with onthefly switching 1000Hz Ultrapolling / 1ms response time Earphoneout and microphonein jacks Detachable wrist rest One integrated USB extension port Approximate size: 469mm length x 168mm width x 15mm height without wrist rest 469mm length x 221mm width x 15mm height with wrist rest System Requirements Windows XP / x64 / Vista / Vista64 PC with builtin USB ports CDROM drive for drivers At least 35MB of hard disk space for drivers