nasoscope,endoscopic is applied to the routine inspection of ear, nose, throat and other parts of human body or post-operative examination and evaluation; with the handheld, integrative , small-size, and lightweight design, it is convenient for users to operate the imaging system by one hand; with the unique light source supply system and high-quality rod lens, the high-resolution imaging system is able to display high-definition image for doctors to observe the external auditory canal, tympanic membrane, blood vessels of ear, nasal cavity, throat and other parts of human body easily and clearly, which helps doctors to develop the appropriate medical treatment programs; this system can be widely applied in hospitals, clinics, medical centers, beauty institutes and household use. Magnification: ≥2 timesCCD: SONY 1/3 -inch CCDMinimum illumination: 1.0 LuxResolution: >420 TV LineDiameter of specula: φ6mm ± 0.2mmLength of specula: 100mmLight Source Brightness: ≥ 16000cd/ m2Power supply: 12V±1V / 200mAAmbient temperature during working: -20°C 50°CAmbient humidity during working < 85%RH