Principle technical data: • Max negative pressure: ≥0.09MPa • Noise:≤ 65 dB (A) • Power: ≤180VA • Pumping rate: ≥20L/min • Reservoir capacity: 2500mL/pc, 2pieces •Electrical appliance safety requirement: Class I, Type B • Note: Not suitable for continuous use in the induced abortions and for the inflammable or explodable surroundings. Max continuous working time is 30 minutes, continuity rate: 50%