- Mesh nebulizer: portable nebulizer uses ultrasonic directed pressure to atomize liquid into aerosols of small molecules directly into the lungs. Quietly and quickly resolve breathing problems Fast atomization: after improvement, nebulizer’ s condensation rate ≥ 0.2 ml/min, and 90 % atomized particles in each atomization ≤ 5 µm, help get you back to a comfortable state fast - Two operation modes: this item has two operation modes; the first one is a mild mode recommended for children. After turning it on, press the button again to use another strong mode suitable for adults. Choose the mode you need Automatic switch-off and cleaning: nebulizer will switch off automatically when the medicine/liquid has been almost entirely used up. Automatic cleaning: remove the accessories and the remains, add hot water around 185 ℉, turn on it to start the cleaning