1. Simulating standard open airway2. External breast compression: Display device and alarm deviceA. Indicator light display of correct and wrong compression; Alarm of wrong compressionB. Intensity display of correct (4-5 cm) and wrong (5cm) compression; Alarm of wrong compression. 3. Artificial respiration (inhalation): Display device and alarm deviceA. Inhalation 600ml, wrong indicator light display and alarm prompting; Inhalation between 500-600ml right indicator light displayB. Ratio of compression and artificial respiration: 30: 2 (one or two person)4. Operating cycle: One cycle includes five times of 30: 2 ratio of compression and artificial respiration5. Operation frequency: 100 times per minute (the latest international standard)6. Operation methods: Exercise operation7. Examination of pupil response: Mydriasis and myosis8. Working Conditions: Output power is 6V transformed from 220V external power through manostat. Model NO.: KAR/CPR180 Company: Shanghai Kangren Medical Instrument Equipment Co., Ltd.