Measures two parameters and APP tracks: PEF and FEV1. You can input your data which shows on display to manage your asthma attack
High Precision: Utilize a differential pressure transducer, a well-designed structure, precise measurements, and reliable repeatability.
Mini Size and Lightweight: Portable peak flow meter, can be put in your pocket or bag, all it takes is a one second blow to check your lung function when and where you want.
Suitable for: Adults or Kids with respiratory symptoms, asthma, chronic obstructive pulmonary disease, smokers.
Automatically Displays Test Values: Electronic digtal peak flow meter with LCD screen, the Value can be dispaly clearly and quickly.