Fast car tire inflator: equipped with a high performance chip for fast tire inflation. In addition, it allows you to preset and monitor real-time tire pressure values. It automatically shuts off when the desired pressure is reached, thus providing a safe and reliable user experience. Fast car tire inflator: equipped with a high performance chip for fast tire inflation. In addition, it allows you to preset and monitor real-time tire pressure values. It automatically shuts off when the desired pressure is reached, thus providing a safe and reliable user experience. Large Display Screen: This air pump is equipped with a large display that simultaneously shows real-time pressure and preset values (with an accuracy of +/- 1 PSI), making it easy to read and observe tire pressure. More Modes: It offers convenient options for selecting inflation modes: bicycle, motorcycle, car, ball, and custom mode. Four units of measurement are available: PSI, KPA, BAR, and KG/CM². Portable and Multifunctional: This portable tire inflator can be easily placed in a car, backpack, or bicycle. During mountain exploration, it can also serve as a flashlight. When your phone is dead, it can be used to charge your phone.