Features：
1. Oral/nasal cavity intubation practice and demonstration
① Inserting to respiratory tract, air feeding, lungs will be2. Electronic monitor: LED light and voice indication
inflated, green LED light flash
② Inserting to esophagus, air feeding, stomach will be
inflated, red LED light flash with alarm
③ Teeth pressure alarm when using of laryngoscope
incorrectly, yellow LED light flash with alarm
3. Comparison of normal pupil and dilated pupil
4. Packed with luxury carry case