Features 105 keys, including 12 function keys and number pad Complete protection against dust and liquids according IP68 (submersible) Washable, no seams or crevices LED-backlight (can be switched off) for use in dark environment Low profile key design for easy and efficient cleaning CleanLock-Function (on request) to avoid unintended inputs Resistant against all common detergents and disinfection materials Sterilized in seconds, no need for expensive sterilization methods Ergonomically low profile chassis Silent low noise typing Low force and precise feedback key technology MS Windows keys USB-, PS/2-Combointerface