80 keys compact format IP65 static vandal proof stainless steel industrial keyboard with military level 50mm mechanical trackball, industrial PCB with carbon-on-gold key switch technology with long stroke (2.0mm) with extremely good tactile feeling for fast and accurate data input without any noise, functional keys F1, F2, F3ï¾…F10, F11, F12 are on the top line for easy operation, 3 mouse buttons designed for right & left clicking and scrolling up and down with ball rolling, top panel mounting solution