Implement standard: 2015 guideline for CPR

　　Features :

　　1 .Simulating standard open airway

　　2. External breast compression: display device and alarm device

　　a.Jndicator light display of correct and wrong compression ; alarm of wrong compression; b.Intensity display of correct (1-2 cm) and wrong (<1cm or >2cm) compression; alarm of wrong compression

　　3. Artificial respiration (inhalation): display device and alarm device

　　a. lnhalation <30ml or > 50ml, wrong indicator light display and alarm prompting;

　　Inhalation between 30-50ml right indicator light display;

　　b. lnhalation too quickly or too much result in air entering into stomach; indicator light display and alarm prompting

　　4. Ratio of compression and artificial respiratory: 30:2 (one person) or 15:2 (two persons)

　　5.Operating cycle: one cycle includes five times of 30:2 or 15:2 ratio of compression and artificial

　　respiration.

　　6.Operation frequency: at least 100 times per minute

　　7.Operation methods: exercise operation

　　8. Examination of brachial artery response: pinch the pressure ball by hand and simulate brachial artery pulse

　　9.Working conditions: Input power is 110-240V