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 4cm 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 30-50ml, 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.
