This 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 donít put out this kind of air pressure and volume (9.6 cu. ft./min. 0.8 psi). The universal valve fittings fit all popular valves. For added convenience, the cigarette lighter/12-volt power port plug is equipped with a 10' long power cord.