1.design&produce mini air pump 2.voltage:DC3~24VAC6--240V(50Hz~ ... :28Kpa 4.Noise:less than32dB M500air pump/mini air pump/massage machine pump/foot massage massage pump/ ... 93.3*55.7*34.3weight(g)70packageone carton with 80 pcs, 370*290*225(mm),the material ... machine,foot massage machine,vagetable washing machine,Washing machine,Air humidifier, automotive economizer,high quality,long life,small dimension ...