The X50 Series top mount optical Trackerball™ is an extremely high specification, contact-less device, ideal for the most demanding of cursor control applications. Unlike most trackballs within the CCL range, this device has been designed to be mounted from the top side of the keyboard/panel without the need for any fixings or fasteners, providing reduced integration costs and assembly/installation times. The X50 Series trackballs are available with a variety of electrical outputs and tracking force options.