2X Faster Inflation, Portable Air Compressor: Air pump is equipped with high-performance chips and powerful motors, it only takes 1 minute to increase tire pressure from 0PSI to 15PSI with an air flow rate of 36 L/Min. Accurate Tire Pressure Gauge, Auto-stop Inflation: Portable air compressor is equipped with an upgraded high-precision chip to ensure accurate tire pressure, LCD screen displays the real-time pressure value and preset value, which is convenient for observation and operation. When reaches the preset value, air pump for car tires will auto stop inflation. No need to worry about over-inflation. Tips: Current pressure will be displayed when air tire pump is connected to the tire. Air Pump with 4 Modes, Simple Operation: The portable tire inflator has 4 units (PSI, KPA, BAR, KG/CM) and 4 preset inflation modes (car, motorcycle, bicycle, ball) that can be switched at any time. The custom mode can also set the pressure value according to the inflation object to meet the inflation needs of most products. We suggested that before you are using it, please check the user manual first. Multifunctional Tire Inflator: With cordless and compact design, this tire inflator is not only be used as a tire pump to inflate tires, but also as a multifunctional emergency tool. Built-in LED light at one top of the air pump, which is convenient to inflate or change tires in the dark. 5V/2A USB output port can be used as an emergency power supply like power bank for charging any electronic devices.