1.Digital LED Display - This tire air inflator has a digital LED display which allows you to read tire pressure value clearly and accurately. You can check the tire pressure values at any time. 2.Multiple Use and Portable - In addition to inflating the car, this inflator also can pump up bicycle tires, basketballs, soccer balls, inflatable toys, canoeing, etc. The compact and lightweight design takes up little space and you could keep it in your trunk. It’s a great tool to take along with your driving tours, no need to worry about leakage any more.