Peakflowmeter Sonmol Digital Peak Flow Meter Asthma COPD

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. Measures two parameters, PEF and FEV1. You can write your peak flow diary which shows on descripiton. Automatically Displays Test Values: Electronic digtal peak flow meter with LCD screen, the Value can be dispaly clearly and quickly. High Accuracy: Adopt differential pressure transducer, excellent structure design, high precision and good repeatability Suitable : Adult or Kids with respiratory symptoms, asthma,chronic obstructive pulmonary disease,smokers.