1、Double screen to screen: Choose from a variety of inflating modes. Digital tire pressure monitoring, preset pressure charge to stop. 2、Battery optional: Built-in 2*2000mAh rechargeable lithium batteries can be switched between 2000-2600mah. 3、Low noise: Metal cylinder, reduce the use of heat body, while reducing noise. 4、Built-in cooling fan: There is a row of cooling holes on the back to prevent high temperature of the inflator pump and prolong the service life. 5、Large display: Large LED screen can clearly display the preset tire pressure value and the mode you choose. Equipped with 4 optional units, including PSI, BAR, KPA, Kg/cm2. 6、Self-contained flashlight: Self-contained LED lighting, 7 hours emergency lighting, suitable for night emergency lighting. 7、Small and portable: Compact size, does not take up extra space, convenient for you to carry when you go out. 8、Suitable for various scenarios: Different tire pressure value units are built into the inflator for quick and easy inflation of car, bicycle, motorcycle tires, balls, swimming rings and other inflatable products.