Kobalt K24HV is a cordless high-volume inflator that is a part of the Kobalt 24V Max Lithium-Ion Battery System. It is powered by a 24V battery (sold separately) and has a max working pressure of 0.5 PSI. This inflator is perfect for inflating tires, sports balls, and other inflatables. It comes with a tethered nozzle set with 3 different nozzles to fit a variety of inflatables. The Kobalt K24HV is easy to use, just attach the battery, select the correct nozzle, and start inflating.