This product features a professionally finished mechanical trackball measuring 36 mm in diameter. Three mouse buttons are located on top of the trackball, allowing you to left-click, right-click, and quickly navigate between web pages. Designed specifically for harsh environmental conditions, the trackball is dust and moisture protected (IP54) and made of resin resistant to mechanical, chemical, and physical influences. It features 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.