69 Keys Compact Format IP65 static Vandal Proof Stainless Steel industrial Keyboard IP65 static rated 38mm Transparent Mechanical Trackball Module with touch changeable chameleon backlight and 400 DPI resolutions, industrial PCB with carbon-on-gold key switch technology with long stroke 2.0mm with extremely good tactile feeling for fast and accurate input without any noise, 3 mouse buttons designed for right & left clicking and scrolling up and down with ball rolling, stainless steel top plate with threaded bolts for top panel mounting solution. Adjustable industrial backlight included.