... imported Cherry mechanical switch, with trackball Features· 65 keys Industrial Mechanical Keyboard, imported Cherry mechanical switch, with trackball· Water, ... WINDOWS98/ME/2000/XP· Designed for public, outdoor, industrial and other extreme surroundings· Can be cleaned with soapy ... to +80°C· Relative humidity: 30% to 95%· Atmospheric pressure: 50kPa to 110kPaElectrical· Power input: +5V/DC, 10mA· EMC ...