Firstsing Medical oxygen Concentrator generator with nebulizer

Oxygen Flow: 0.5~3L/min
Oxygen concentration: 93%±3%
Power Supply: ~220V±22V; 50Hz±1Hz
Input Power: 350VA
Output Pressure: 30~70kPa
Operation Noise: ≤56dB(A)
Maximum Nebulizing Rate: ≥0.15m
Oxygen concentration dispaly.
56db quiet,keep silent for night time use when you sleep,Clear HD LCD screen easy to read.