The high-volume(290 liters/minute) 12 volt portable air pump inflates and deflates towables,boats,pools,mattresses and beach toys quickly and effectively. Most pumps on the market, even those costing twice as much, don't put out this kind of air pressure and volume(9.6 cu.ft/min.,8psi). The universal valve fittings fit all popular valves. For added convenience, the cigarette lighter plug is equipped with a 10ft. long power cord.