Just dial in the necessary pressure on this air pump and walk away! Auto shut-off lets you easily inflate your high-pressure inflatables up to 20 psi. The Airhead Super High Pressure Air Pump is ideal for inflatable stand-up paddleboards, boats, and other drop-stitch inflatables requiring high pressure. Offers two-stage inflation and deflation. This 12V pump includes a car lighter style plug for 20 amp outlets and alligator clip cable for direct battery connection. Interchangeable H-Valve and Boston Valve adapters. Auto shut-off. Pressures from 1 to 20 psi.