1. Cold light, luminance≥6000Lux
2. Have the functions of take photo,take video,TF card save data ect
3. TV signal external function(AV-OUT)
4. Built-in high resolution camera can provide a real-time view forcatheter airway.
5. Display can adjust angle from 0-180°
6. Study, use and teaching are very simple
7. Operation can be finished in a short time