Compact and light: This portable peak flow meter can easily fit in your pocket or bag. Simply blow into it for one second to check your lung function on-the-go, anywhere and anytime you desire.
Automatically Displays Test Values: Electronic digtal peak flow meter with LCD screen, the Value can be dispaly clearly and quickly.
Measures two parameters and APP tracks: PEF and FEV1. You can input your data which shows on display to manage your asthma attack
Suitable for: Adults or Kids with respiratory symptoms, asthma, chronic obstructive pulmonary disease, smokers.
High Accuracy: Adopt differential pressure transducer, excellent structure design, high precision and good repeatability