Implement standard: AHA (American Heart Association) 2020 guideline for CPR and ECC
1. Simulate standard open airway
2. Support training in artificial respiration and external chest compression
3. Compression Frequency: 100-120 times/minute
4. External breast compression, intensity display of correct (5cm -6cm):
1) The yellow indicator light display of correct compression position
2) Buzzing sound of correct compression intensity, the green indicator light display
3) Alarming sound of wrong compression intensity, the red indicator light display
5. The inflated tidal volume can be observed by the chest rise, commonly it should be 500-600ml.
