48 X 63 X 113 mm Size
17 to 37° C Operating temperature range
FEV1 Better than +/-3% or +/-100 mL
PEF better than +/-5% or +/-25 L/min accuracy
Indicates blow quality
number of blows and diurnal variation
Device ID automatically transmitted with the data
Ability to add comments to the report
Optionally separate graphs of am and pm sessions
Information presented in tabular and graphical form
