Technical Specifications:Max. negative pressure pump: ≥ 15MPaFree air pressure flow: ≥ 6L/minNoise level: ≤ 65 dBPower supply: AC220V±22V/110V±11V, 50/60HZ±1HZMax. atomization rate: ≤ 20 ML/MINDimensions: 22*10*16.5 CM