Voltage: AC 220V±10% 50Hz±2%:12VDC Max negative pressure value: ≥0.075MPa Reservoir volume: 1000 mL Power:90VA Pumping rate: 15L/min Packing:45x29x31cm 1pc/ctn Noise:≤65d B(A) N.W/G.W.: 3.0kg/4.0kg