 Look, you can inflate all four tires on a single charge. It has a built-in smart pressure digital sensor that gauges and automatically stops when the set tire pressure is reached. Easily inflate pool toys, exercise balls, and more. Call or go online now and get the complete Voltai Pro inflation system for the factory direct price of just $79.99. Plus, we'll ship your entire order free. And we'll give you a 50% discount on a second one.