This pump conforms to worldwide safety certification standards. With a strict quality control system, we manufacture fine products with nice designs and high-grade material for customers all over the world. Our products are patented worldwide; our patented structure allows for a longer usage life and largely increases air output volume under a constant working temperature. Specifications:1) Voltage: 100V, 110V, 120V, 220V, 230V, 240V2) Pressure: 11,000PaInner packing:1pc/color boxDimensions: 16 x 15 x 20.5cmOuter packing:12pcs/ctnDimensions: 0.067cbmN.W.: 16.1kgG.W.: 19kg producing area:China payment:T/T, L/C supplying capacity:10,000pcs/week