Digital Peak Flow Meter Spirometer Asthma COPD for Adults Kids Portable PEF FEV1 Home Medical with Tracking Software
✔✔High accuracy&High repeatability-Pressure differential sensor applied ensures the high accuracy.No calibration is needed after manufactured.ATS ERS WRIGHT standards provided..
✔✔PEF FEV1 automatically display-Measuring forced expiratory volume of 1 second (FEV1), peak flow rate（PEF)..
✔✔Portable size&Easy your usage-Durable, compact and portable.Easy to clean and disinfect,disposable mouthpiece is not necessary..
✔✔Asthma diary&APP-helps you keep track of how well you are managing your asthma attack.if you have symptoms or n asthma attack,record the trigger,the symptoms,and what kind of medicine you used for relief.Professional IT team support..
✔APPLICABLE FOR-People looking out for their respiratory health, asthma sufferers, persons with respiratory problems and COPD, smokers, sportspersons, athletes, adults and kids above 6..
