Please buy it from below link
A peak flow meter that helps you manage asthma anywhere. We re-invented the peak flow meter so asthma patients like you can conveniently manage your symptoms and get on with life. Used by thousands of asthma patients worldwide and designed by a new healthcare tech company based in London. Visit www.ferrerpharma.com.au for more information.
Peak flow readings automatically recorded on your phone. No paper, no writing, no excuses.
Explanation of all your readings and how to best manage your asthma.
Small compared to normal peak flow meter. Carry it anywhere and check your peak flow anytime.
Reminders to take your readings. Share complete peak flow charts with your doctor from home.
Certified Medical Device, works on all phones. British technology, made in Europe. 99% Accurate.