This product features a professionally finished mechanical resin track ball with a diameter of 36 mm. The track ball is specially designed to operate in harsh environmental conditions and is dust and moisture protected (IP54). It is resistant to mechanical, chemical and physical effects. It has a USB or PS/2 interface. Thanks to the mounting holes, it can be easily mounted from inside to any equipment and provides a more secure installation. It is compatible with Windows and Linux operating systems. Backlighting is optional.