Voltage: 220V ± 22V 50Hz ± 1Hz Max negative pressure: 0.09MPa Noise: 70dB (A) Power: 120 VA Pumping rate: 20L/min Continuous Working Time: 0-30 min Rest Time - 30 min Bottle volume: 2500 ml glass bottle, 2 PCS Package: 1PC/carton Box Size: 46.5*41.5*64.5cm Net Weight: 11.5KGS Gross Weight: 13.8 KGS