Voltage: AC220V ± 10%, 50Hz ± 2%, 12V DC Input power: 90VA Noise: 65dB Max negative pressure value : 0.075MPa Pumping rate: 15L/min Jug volume: 1000 ml With battery backup ,support 45 mints work Continuous Working Time: 0-30 min Rest Time: 30 min Bottle volume: 1000 ml Package: 1PC/carton Color Box Size: 35*26*29cm N. W.: 5.2 kgs