1. Large LCD display, clear to view
2. Built-in high-speed thermal printer, quick and convenient
3. Imported pressure-gradient two-way sensor
4. 48 parameters detective, including FVC, MVV, and small airway
5. Equipped with classification diagnose system
6. Non-invasive procedure test, quick and accurate
7. Provide a high-speed, accurate and comprehensive report in less than 30 minutes
8. Monitor patients’ response to treatment