1. Simulating standard open airway

2. External breast compression: display device and alarm device

a. indicator light display of correct and wrong compression ;alarm of wrong compression

b. intensity display of correct (4-5cm) and wrong ( <4cm or >5cm ) ; alarm of wrong compression.

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

a. Inhalation <500-600ml or >600ml ,wrong indicator light display and alarm prompting ;inhalation between 500-600ml right indicator light diaplay

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

4. Operating cycle: one cycle includes five times of 30:2 ratio of compression and

artificial respiratory

5.Operation frequency: 100 times per minute (the latest international standard)

6.Operation methods: exercise operation; examine operation

7. Examination of pupil response: mydriasis and myosis

8. Working condition : output power is 6V transformed from 220V external power through manostat or direct current of four No.1 batteries ,suitable for outdoor operation