SincereetaliNewly upgraded precise digital display wireless car air pump, accurate tire pressure, automatic shutdown when fully charged Automatic shutdown when full, automatic and intelligent tire pressure adjustment, inflation mode selection, automatic tire pressure adjustment and automatic shutdown when full, no need to look at the tire pressure gauge all the time Start button: long press for 3 seconds to activate the machine and display, long press for 3 seconds to sleep the machine and display, short press to start the engine and turn off the engine. Unit button: single machine button to switch units, long press for 3 seconds to turn on the LDE indicator light, short press for 3 seconds to turn off the LDE indicator light Pure copper motor, strong power and fast inflation, thicker pure copper coil with higher speed and better heat dissipation Small and portable to carry emergency emergencies, exquisite and compact, does not take up space in the car. It can also be put in a backpack and recharged every time you take it. LED lights are upgraded with their own lighting system, their own lighting design, and they are not afraid of inflating at night or encountering special circumstances