The “XS Trackball Keyboard” (G84-5400) combines comfortable mouse control with compact dimensions. Via the optical trackball with two mouse keys the cursor can be controlled easily and precisely.N/AN/A- Optical trackball with two mouse buttons for easy control of the cursor N/A- High degree of reliability and precise keystroke feel thanks to individual keys with Gold Crosspoint contacts (Cherry ML technology) N/A- Ideal for continuous usage due to the long operating life in excess of 20 million key confirmations per individual key N/A- Compact dimensions and very low overall build height ideal for restricted spaces and for 19" applications N/A- Standardised measurements and installation dimensions of the complete XS product family - the keyboard can be adapted to every application N/A- Lightweight - for applications where every gram counts N/A- Plug & Play - can be used with the operating system’s standard drivers N/A- Supports Code Set 3 and UnifiedPOS N/A- Fastening option for permanent installation N/A- Detachable pluggable feet for individually adjusting the tilt of the keyboard N/A- Freely programmable keys for even more time-saving operation