This product contains a professionally finished mechanical resin trackball with a diameter of 36 mm. The trackball is specially designed to operate in harsh environmental conditions and is protected against dust and moisture (IP54). It is resistant to mechanical, chemical and physical effects. USB or PS/2 interface available. Thanks to the mounting holes, it can be easily mounted on any equipment from the inside, providing a safer installation. It is compatible with Windows and Linux operating systems. Backlight is offered as an option.