... craft,bicycle,balls 2.electrical parameter:DC 12V,15A mini car tire inflator pumpBest practicable tire inflator for emergency. ... and free maintenance service for 3 years Modle Nameauto metal mini air compressorMaterialMetal(aluminum, alloy or stainless steel)Rated Power220WVoltageDC ... increase, when the pointer reaches an appropriate air pressure, press the off switch , remove the power line and the ...