portable ENT Endoscope imaging system is applied to the routine inspection of ear, ... throat and other parts of human body o portable ENT Endoscope imaging system is applied to the routine inspection of ear ... the external auditory canal, tympanic membrane, blood vessels of ear, nasal cavity, throat and other parts of human body easily and ... °C< 85%RHAmbient humidity during working < 85% RH ENT Endoscope