Medical grade Nebulizer rate adjustable Nebulizer rate adjustable Oil-free pump Small nebulizer particles Portable Power supply: □AC120V±10% □AC220V±10% □AC230V±10% □50Hz □60Hz Max pressure: ≥0.15mpa Max air flow: ≥10L/min Max nebulizing rate: ≥0.2mL/min MMAD: approx.2.5µm, proportion of <5µm: ＞65% Residual Volume: ≤1mL Operation noise: ≤60dB(A) （approx.55dB(A)） Operation time: continuous operation (CE) Operation time: 30 minutes on,30 minutes off (Basic sets)