I bought this air compressor as an easy to use product for my wife. The digital pressure gauge adjusts to your desired pressure and automatically shuts off to ensure you don't over-inflate your tire. That way you can install it and work on something else. Nobody likes to take care of an air compressor. Thanks to this, you can start it and drive off without worrying about tire pressure. The power cord is long enough to reach the rear tires when plugged in. It also has battery clips that connect to the power plug, making it versatile. All in all this is a great product.