The Slime COMP 150 PSI Tire Inflator connects to your vehicle"s 12-volt outlet, allowing you to inflate tires while out on the road. It can inflate a mid-sized car tire in about 8 minutes. This inflator also comes equipped with a built-in pressure gauge, light, and emergency light. It also includes adapters for inflatables, along with a raft pump and 3-foot hose.