Features：
1. Executive standard: in comply with the latest AHA CPR& ECC Guidelines
2. Free movement of upper limbs joints.
3. Pupils: one dilated one normal
4. Manual carotid pulses through pulse bulb
5. Training mode: free and separate training of chest compression, airway open and ventilation, voice prompt during the whole process.
6. Chest compression, press position and depth indicated on monitor, yellow, green and red lights to represent the insufficent, correct and excessive operation, correct compression depth 5-6cm, frequency 100-120 times/min.
7. Ventilation operation indicated on monitor, yellow, green and red lights to represent the insufficent, correct and excessive operation, air into stomach have voice prompt, correct ventilation volume 500-600ml
8. Airway open status indicated on monitor
