Features:

1. Simulate open display of standard airway;

2. Manual hand position chest compression display alarm:

(1) Indicator display function;

(2) Voice prompt function;

(3) Digital counting display function: the error indicator lamp with correct pressing intensity (1-2cm area) and error (＜ 1-2cm area) is displayed; Voice prompts the cause of operation error and real-time count display;

3. Artificial mouth to mouth breathing (blowing) display alarm;

(1) Indicator display function;

(2) Voice prompt function;

(3) Digital counting display function:

A: Tide volume blown in ＜ 30ml-50ml ＜ indicator display; Voice prompts the cause of operation error and real-time count display;

B: The tidal volume blown in is between 30ml and 50ml, which is displayed correctly with indicator light and real-time counting display;

C: The tidal volume blown in is too fast or too large, which causes the indicator light of gas entering the stomach to display and voice prompt operation error, and real-time counting display.

4. The ratio of compression to artificial respiration: 30:2/single person or 15:2/double person or 3:1.

5. Operation cycle: two effective manual blowing, and then press and manual blowing at 30:2 or 15:2 and 3:1 for five cycles of CPR operation;

6. Operating frequency: 100-120 times/minute;

7. Operation mode: training operation and assessment operation;

8. Working state: 220V power supply is adopted, and 6V power supply is output through voltage stabilizer.