10 keys waterproof metal keypad with top panel mounting solution Product features: • rugged stainless steel material design • anti-vandal, ip65 water-proof & long life. • all international language lay-out are available. • matrix output with 7 pin connection line • rear panel mounting solution. Technical specifications Mechanical data Key travel0.45mm Switch life> 1 million of per key Operation systemWindows98/me/2000/2003/xp/vista/linux, unix, mac osx, ios, android Electrical data Supply voltage5.0v dc ± 5% Current ratingAppr. 30ma Emc standardCouncil emc directive 2004/108/ec En550222006+a2:2010 En550241998+a1:2001+a2:2003 Lifespan> 5 years Environmental adaptability Operating temperature-20°c to +60°c Storage temperature-30°c to +70°c Operating rh20-95% Atmospheric pressure60-106kpa. Reliability Compliant standardRohs , ce and fcc Protection levelIp65(front panel) Vandal resistantIk10 Key lifespan>10 million actuation Mtbf>50000h Mttr