83 Keys Compact Format IP65 dynamic Vandal Proof Stainless steel industrial keyboard with IP65 static rated 38mm Transparent Mechanical Trackball Module with touch changeable chameleon backlight, with 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 data input without any noise, numeric keypad (optional PINPAD with Encryption Electronics Controller supporting DES/TDES), 3 mouse buttons designed for right & left clicking and scrolling up and down with ball rolling, with adjustable industrial backlight and high quality durable black titanium electroplated on the top stainless steel plate and all keys, with top panel mounting solution.