Battery pump, high quality, good design.easy operate with best price,Automobile battery electric pump Automobile battery electric pump VoltageDC12V Free Air Displacment 1.43cfm, 40.5l/min Ultimate Vacuum 375 Micron, 50Pa Motor Power 90W Motor Speed 3400r/m Oil Capacity140ml Net Weight4.2Kg Dimensions 290*100*170mm