120 volts of power. Nearly 3.0 p.s.i.. 7 universal adapters including Boston valve adapter. Pressure-release valve to prevent over-inflation. 10-foot power cord. Draws 7.1 amps/917 watts. Pumps 480 liters/minute. The 120-Volt Super Air Pump is the best-performing 120-volt air pump available inflating and deflating at unprecedented speed. At nearly 3.0 p.s.i. peak pressure there is plenty of power to inflate boats dinghies rafts and other inflatables filled quickly. Seven universal adapters including a screw-on Boston valve adapter are provided to fit all valves commonly used on inflatables of all types. These adapters lock onto an accordion-style hose which locks onto the pump thus eliminating annoying disconnections. A pressure-release valve is included and will limit pressure to 1.4 p.s.i. to prevent over-inflation.