Simple to handle - double in benefit: World-renowned ECG technology and the highest standards in Spirometry. FEATURES Alphanumeric keyboard 6/12 channel representation of all 12 simultaneously acquired leads Pulmonary Function Testing for FVC, SVC, MV and MVV The unique SP-250 disposable sensor minimizes the risk of cross-contamination Large, high resolution backlit monitor for easy preview of ECG quality and Spirometry curves