... . Aluminum alloy enclosure, strong stability7. Support systems Windows,Linux,Mac8. Outdoor environment workableSize82”Display Screen SizeSamsung ... serviceElectrical SpecificationsInput Power VoltageAC220V /1200WOperation SystermSupport Windows XP,vista,windows 73,Provide built-in and external two ... -proof,glare-proof;6,Easy calibration,Easy maintenance.7 ,long life time, long-term free maintenance; ...