Just attach the built-in 7.5ft cord with alligator clips onto your battery to start airing up your deflated item. It has an easy-to-read attached pressure gauge for accurate readings every time. It comes with a 16ft coiled detachable PU air hose that hooks directly to your vehicle's tire. It includes three different adapter nozzles. One needle inflation nozzle for sports balls along with two valve nozzles for pool inflatables and air mattresses. Carrying bag included for easy storage and better travel.