Features：
1. Executive standard: in comply with the latest AHA CPR&
ECC Guidelines
2. Operation mode: training mode
3. Manual carotid pulses through pulse bulb
4. Simulate standard airway opening
5. Chest compression indicated on monitor, yellow, green
and red lights to represent the insufficent, correct and
excessive operation, compression depth: 1/3 of the
sagittal diameter of the child chest, about 5cm depth,
correct frequency 100-120 times/min
6. Ventilation operation indicated on monitor, yellow, green
and red lights to represent the insufficent, correct and
excessive operation, correct ventilation volume 150-
200ml, air into stomach have voice prompt and alarm
7. Compression and ventilation ratio 30: 2, 5 circles
8. Voice prompt during the whole process, volume can be adjusted or turned off