67 keys vandal proof ip65 industrial stainless steel keyboard with integrated sealed & ruggedized tough touchpad with rear plating mounting solution. L this keyboard is mainly used for unsupervised or semi-supervised positions of varied access applications, internet terminals and information kiosks at universities, shopping malls, hotels, banks, airports, railway-stations and other public areas, L ideal for applications in the harshest conditions, it meets nema 4, 4x and ip 65 specifications, making them vandal proof, resistant to dust, dirt, water and corrosive liquids. L ps/2 or usb connector is available. L all international language lay-out are optional. L it is compatible to windows98/me/2000/2003/xp/vista/ linux, unix, mac osx Mechanical data Keys: 67 keys, super quality sus304 brushed stainless steel key top style: protuberant rectangular keys, laser engraved & etched legends & raised braille on keys are available stroke travel: 2.0mm switch life: more than 1 million of per keyfront panel: made of 1.5mm thickness super quality brushed stainless steel back plate£º3.0mm thickness brushed & silver oxidized aluminium customized layout is availableg.W.:2.0 kgs electrical data Supply voltage:5.0v dc¡à5% current rating: appr. 30ma emc standard: it is compliance with the council emc directive 2004/108/ec en55022: 2006+a2:2010 en55024: 1998+a1:2001+a2:2003 lifespan > 5 years environmental adaptability Operating temperature:-20¡ãc to +60¡ãc storage temperature: -30¡ãc to +70¡ãcoperating rh: 20-95% atmospheric pressure: 60-106kpa. Reliability Rohs compliant, ce and fcc, esd protection level: ip65(front panel) vandal resistant: ik10 key lifespan >10 million actuations mtbf >5, 0000h Mttr