Oxygen generator Power:110-220V Frequency:50-60HZ Input Power 350VA Oxygen Density 93%±3% Oxygen Capacity :1-3L/MIN Output Pressure ≥0.04 Running Noise ≤50DB Atomization Amount ≥0.2ML/MIN Environment Humidity ≤80% Environment Temperature :5-40C External Dimensions 360X310X450mm Packing Dimensions:420X370X510mm N.W.:22KGS