Specifications include, but are not limited to: 1
Results to be stored in compatible app, not on spirometer
Battery operated and hand held
Bluetooth capable for real time communication
Volume accuracy +3% or 50mL
Flow accuracy +5% or 200mL/s
Capable of testing, recording, and storing PEF, FVC, FEV1, FEV1/FVC ratio on an app or other program
App available for both iOs and Android.