89 keys IP65 dynamic sealed and ruggedized silicone rubber army keyboard with full keyboard functionalities with sealed & ruggedized tough touchpad for fast and accurate cursor position, 12 FN keys (F1, F2...F11, F12) are on top line for easy operation, with army PCB with carbon-on-gold key switch technology with long stroke (1.50mm) with extremely good tactile feeling for fast and accurate data input without any noise, with durable coating & antimicrobial keyboard surface withstand to most chemicals and liquids under harsh environment, FN + CLEAN combination key to lock/disable the keyboard for easy cleaning without needing to take away the keyboard from PC, gold finish PCB sealed and ruggedized with top rubber for top panel mounting, army level with adjustable backlight included. With optional stainless steel back plate sealed and ruggedized with top silicone cover & gold finish PCB for ruggedized structure and easy mounting and sealing, stainless steel housing protects the electronics controller.