THIS HIGH VOLUME (290LITERS/MINUTE) 12-VOLT PORTABLE AIR PUMP FILLS TOWABLES, BOATS, POOLS, MATTRESSES AND BEACH TOYS TO FULL OPTIMUM PRESSURE. THE UNIVERSAL VALVE FITTINGS FIT ALL POPULAR VALVES. FOR ADDED CONVENIENCE, THE CIGARETTE LIGHTER PLUG IS EQUIPPED WITH AN EXTRA LONG POWER CORD. tHIS PUMP CAN BE USED TO EASILY FILL THE MAIN VOLUME OF THE BOAT BUT A FOOT OR HAND PUMP IS STILL REQUIRED TO TOP OFF YOU KAYAK TO THE RIGHT PRESSURE.