Power Supply: AC220V±10% 50HzPump Structure: Electromagnetic Pump Flux: ≥800ml/min Negative Pressure: ≥16KPa Range of negative pressure regulation: 0~16KPa liquid Vessel:1000ml Noise: ≤30dB Power: 18VA DIMENSION(CM):39.5×19×30PACKAGE:cartonG.W.(KG):4.9