The AeroPump II is a 12-Volt, high-pressure Auto Electric pump. It features both an inflation and a deflation port and inflates up to 20 PSI. This dual stage pump is great for use on inflatable stand-up paddle boards, inflatable kayaks, and inflatable docks. The AeroPump II is powered via a car plug or a battery clamp and includes a digital screen for easy to read real time monitoring, and a non-kinking hose.