The AK-4400-T is a high-quality and reliable function keyboard with a notebook key layout and an integrated trackball, designed for use in industry, equipment and plant construction, server and kiosk applications, as well as in healthcare. The optical trackball, with its high resolution, allows even inexperienced users to easily and precisely control the mouse pointer. The use of scissor technology with open sliding bearings guides the key buttons at the four outer points, ensuring excellent key guidance and tactile feedback even with off-center presses. With its closed contact system, the AK-4400-T is resistant to dust and moisture. The flat, laterally beveled keys facilitate easy cleaning of the key area.