device that can convert liquid medicine into aerosol droplets which can be easily inhaled.Easy & Convenient: plug the machine into outlet, one button operation.Equipped with three interchangable jet caps. meet all family members?? use;A must facility for people who suffer from asthma and chronic obstructive pulmonary diseases.Reliable Quality: FDA & ETL Certified. 60days money back, 1year manufaturer??s warranty. You can buy with no worry