High-pressure 12 volt Air Pump with volume of 410 liters per minute. Removable pressure release valve prevents filling past 1.4 psi. Hooks to your car, truck, or boat battery with the alligator clips and 10-foot power cord. Adapters included for Stem, Boston, Leafield, Bravo, Hulkey Roberts, and more Draws 28 amps; 90-day warranty.