The workstation/desktop version of the Industrial Mouse® trackball mouse pointer has an ergonomic design with a padded foam hand rest; and is NEMA 12 (IP54) sealed in a stainless steel enclosure. This 2.0 inch industrial trackball mouse pointer is recommended for environments requiring rugged mouse pointers combined with precision accuracy; such as in medical, military, and aerospace industries. These precision industrial mouse pointers come with the three sealed mechanical computer mouse switches and an optional LED indicator for the click and drag feature. CTI industrial trackballs are rugged industrial computer input devices and have been in service for over 2 decades without the need for repair; due to the quality of the materials used. The anodized aluminum enclosure with gasket sealed bottom plate has rubber feet and a sealed threaded hole allowing for easy securing to any work surface with just one screw. Options include PS/2, USB or Serial interface and an optional Serial power supply cable assembly.