Portable 12-volt car compressor for inflating tires. Connects into the cigarette lighter or directly to the battery. Suitable for cars and SUVs with wheel radius up to 20 inches. Has a universal fitting and additional adapters for inflating mattresses, balls and inflatable pools. The compressor has a bright digital pressure gauge with 4 pressure measurement units. Plus there's an LED flashlight just in case. Automatically shuts off when the set pressure is reached. Has overheat protection. It doesn't take up a lot of space, so you can always take it with you in the car.