The makes it easy to inflate large and small inflatable stand-up paddleboards and inflatable docks from 1 to 20 PSI. Simply select the PSI necessary for inflation and the pump will stop automatically when your SUP reaches the setting. A 54" hose with nozzles will fit most inflatable SUPs. Pressure gauge, 10' power cord with 12V adapter, and alligator clips are included. Includes pressure gauge Ideal for inflatable docks! | Stand-Up Paddleboard 12V Electric Pump