Sevylor SUP and Water Sport Electric Pump, 12V, 15-PSI 12V portable air pump is great to keep on a boat or in the car High-pressure pump inflates up to 15 psi for rigid SUP boards Adjustable auto-shutoff stops the pump once the selected pressure is reached Low-pressure extension hose and adapters included for low-pressure inflatables Unit select button lets you choose from psi, kPa, and mbar