... steady water-proof/dust-proof/vibration-proof drop-proof/salt fog proof/EMI-proof information leak prevention/wide Temp The body ... and water-proof, dust-proof, vibration-proof, drop-proof, salt fog proof, EMI-proof, information leak prevention, wide Temp. and portable ... 7.2, the machine shall operate normally after continuous salt fog spray for 48 hours, no obvious change on the surfaceEMCComplying with ...