The Claytek TC-A100B-USB compact 1U keyboard with built-in 2 button touch-pad mouse TC-A100B is the best companion for rackmount server. An IBM AT, PS/2 compatible providing the high-end graphics and pixel-point control that allowing you to work quickly and efficiently. Use the buttons like mouse buttons tracking speed up to 40 inches per second. Elegant wrist-rest for a comfortable support and rest. Easy Internet key as shortcut to your E-world.