82 keys IP65 vandal proof industrial & marine keyboard with industrial PCB with carbon-on-gold key switch technology with key stroke 1.50mm with extremely good tactile feeling for fast and accurate input without any noise, with 12 FN (F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12) on the top line for easy operation, with FN+CLEAN key to lock/disable the keyboard for easy cleaning and washing without needing to take out the keyboard from PC, original stainless steel front plate, high quality durable black titanium electroplated on the top stainless steel plate optional, rear panel mounted, adjustable red backlight included to fit for dark environments.