Easy to use device for monitoring of lung function parameters for those with respiratory conditions including cystic fibrosis and transplant patients. The lung monitor measures PEF, FEV1, FVC & the ratio;  FEF 25, FEF 75, MMF & PEFR parameters are also shown in the device after one time testing. Patients can also check tested value through mobile app developed by our company and know about its COPD classification.