To me that would be a handy little air compressor. I plan on keeping it in my car as it will only be used with a cigarette lighter socket, but I will certainly be able to use it in more than one car. I have some volleyballs, some basketballs, some soccer balls, some spikes. balls and football. When I take them out after the winter, they always have to be pumped up. I always use a hand pump and getting it to the right PSI is such a pain! I really like that you can set this little compressor to your desired PSI level and it will shut off once it reaches the desired pressure. Yesterday I inflated my soccer ball in less than a minute including compressor adjustment and inflation. The same goes for inflating a car tire. I used to have to constantly switch between the compressor and pressure gauge. Back and forth again and again until I reach the right pressure. Once again I enter the desired pressure in the tire and the compressor shuts off once it reaches the right pressure! This really saves me time. If I could change something about it, I would also make it work with an outlet so I don't have to go to the car to use it. That's why I gave 4 stars. However very happy with this product.