Fast, reliable pre-/post-bronchodilator FVC, SVC and MVV testing with automatic interpretation and reversibility analysis -Instantly verify the quality and variability of test performances and compare previous tests using the trending tool -Motivate children with incentive graphic -Reduce the risk of cross contamination with single use disposable transducers -Easily monitor, review, store and print on your computer with Welch Allyn CardioPerfect Workstation Software -Part of the Welch Allyn CardioPerfect Workstation Software which provides versatile data storage and the transfer of patient data to EMIS, Systmone and Vision etc