Features:
1. With all functions of KAR/AED98D
2. Simulate standard open airway
3. External breast compression, intensity display of correct (at least 5cm):
(1). Buzzing sound of correct compression intensity
(2). Alarming sound of wrong compression intensity
4. Artificial respiration (inhalation): the volume of inhalation is observed through observing the wave of breast;
5. Operation methods: exercise operation