High-volume 12-volt portable air pump inflates and deflates towables, boats, pools, mattresses and beach toys quickly, out-performing most pumps on the market For added convenience, the accessory power plug is equipped with a 10 ft. long power cord Universal valve fittings fit many popular valves including Boston valves and stem valves Volume is 380 liters/minute; maximum pressure is .71 psi; draws 11.8 amps/145 watts. AIR PUMP 12V AIRHEAD