Mericonn Portable Ultrasonic Mesh Nebulizer This device utilizes state-of-the-art microporous ultrasonic atomizing mesh technology that sprays liquid medication into aerosol/vapor form and delivers it directly to the patient for inhalation. Both adult and pediatric patients suffer from asthma, Chronic Obstructive Pulmonary Disease (COPD) such as emphysema and chronic bronchitis, or other respiratory diseases that are characterized by obstruction to air flow or/and patients who are on and off ventilation or other positive pressure breathing assistance. Funtion 1.Three gear adjustable 2.Automatic shutdown in 20 minutes 3.Automatic cleaning 4.Replaceable battery 5.Compact and portable Three atomization modes max capacity 25ml