Creates an aerosol using new mesh membrane technology. Thanks to its silent operation, you can use this device very discreetly, and its compact size allows it to fit easily into a handbag or briefcase. The device is equipped with three adjustable nebulization speeds. It ensures a long operating time—it can work for up to 4 hours on a single set of batteries. Power supply: 2 x AA 1.5 V alkaline batteries (not included) / USB-C (cable included) Alternative power adapter: Input: 220-240 V, 50/60 Hz, 0.5 A | Output: DC 5 V/1 A (not included) Power consumption: < 2 W Ultrasound frequency: 110 ± 10 kHz Standby power consumption: < 0.02 W Medication capacity: 12 ml Average nebulization rate: > 0.2 ml/min Particle size (MMAD): 2.3 µm ± 25% Nebulization speeds: low, medium, high Automatic cleaning function – ensures thorough removal of residual medication trapped in the nebulization mesh Auto shut-off: when medication runs out / After 20 minutes of continuous operation Operating temperature range: 10°C ~ 40°C Operating humidity range: 10% ~ 95% relative humidity Storage temperature range: -20°C to 70°C Standard package includes: main unit, nebulization cup, adult mask, child mask, mouthpiece, protective rubber cap, USB-C cable, carrying case Product dimensions: 6 x 6 x 11 [cm]