When it comes to performance and reliability, you can count on the Smittybilt line of Air Compressors to get you aired up and on your way fast. They have heavy-duty features and compact, efficient designs that make them the best value for your portable air needs. Ideal for off-road vehicles with 35 inch or larger tires. It can inflate 50-percent faster than most compressors, obtaining its power directly from the battery using the alligator clips provided. Great for owners who have a truck or vehicle with large tires.