This product features a professionally finished mechanical resin trackball with a diameter of 36 mm. The trackball is specifically designed for operation in harsh environmental conditions and is dust and moisture protected (IP54). It is resistant to mechanical, chemical, and physical influences. It is available with a USB or PS/2 interface. Mounting holes allow for easy internal mounting on any equipment, ensuring a more secure installation. It is compatible with Windows and Linux operating systems. Backlighting is available as an option.