1.Simulation standard open airway display

2. artificial hand chest compressions alarm:

(1)indicator light display

(2)sound prompting

(3) Digital counter display intensity display of correct (4-5 cm) and wrong (<4cm or >5cm) compression; alarm of wrong compression

3. Artificial respiration (inhalation): display device and alarm device . Inhalation <30ml or > 50ml, wrong indicator light display and alarm prompting; Inhalation between 30-50ml right indicator light display; Inhalation 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. Working conditions: Input power 220 V; through the voltage regulator ,output power 6 V.