This portable 12V metal car air compressor tire pump inflator is a multi-function tool for inflating tires, swimming rings, air beds, kayaks, and balls. It is easy to use, lightweight, and compact, making it convenient to store in a car trunk. The inflator is equipped with a pressure checking gauge and is powered by a 12V car cigarette lighter. It has a voltage of DC 12V, a current of 5A, and an air pressure of 200 PSI. The product is suitable for highway or outdoor emergency situations when a tire is flat.