Implement standard: AHA (American Heart Association) 2020 guideline for CPR and ECC
1. Simulates pupils changes;
2. Simulates carotid pulse controlled by the software;
3. Supports CPR training, including external chest compression, airway opening and artificial respiration. Operating outcome can be shown in real-time on the software or on the monitor;
4. Comes with AED trainer;
5. Supports endotracheal intubation exercise (optional).
