3X FAST INFLATION: Portable air compressor can inflate tires quickly with a maximum pressure of 150 PSI. With its powerful metal motor, it can inflate a small car tire [30-35PSI] in about 40s, the inflation speed is three times faster than other ordinary cordless inflators on the market. Our car air pump come with an additional deflation button for flexible adjustment of the desired air pressure ACCURATE & SAFE: The air pump for car tires has a built-in high-precision and high-performance chip, which allows you to observe the tire pressure value and preset pressure data in real-time through the upper and lower LCD screens, ensuring that every inflation is accurate. When the desired tire pressure is reached, it will stop automatically to prevent over-inflation and ensure the better performance and safety of the tire VERSATILE INFLATABILITY OPTIONS: The portable air compressor for car tires with 4 units (PSI, KPA, BAR, KG/CM²) and 4 preset inflation modes (car, motorbike, bicycle, ball) can meet the inflation needs of most products, making it a must-have for travel and home life. You can also set your pressure value up to 150 PSI for more inflatable products. One button to easily switch between PSI, BAR, KPA, kg/cm²pressure units,Easy to operate EASY TO STORE AND CARRY: With its own accessory storage slot design, no need to worry about losing your accessories; the hose is integrated into the body for easy access and storage. Your hose will always be securely stored and easily accessible when you need it