The XS Trackball Keyboard (G84-5400) combines comfortable cursor control with compact dimensions. The optical trackball has two mouse buttons and enables easy and precise cursor control. Compact dimensions and very low total height, ideal for tight spaces and for 482.6 mm (19") setups Plug and play Supports Code Set 3 and UnifiedPOS Fixed installation possible Removable feet Freely programmable keys Products purchased after 01/04/201ß get an extended warranty of 3 years.