1.Fast Inflation & Precise Control: This portable air compressor for car tires has a max pressure of 150 PSI and an airflow of 34 L/Min, which can quickly inflate cars, motorcycles, bicycles, trucks, RVs, etc. Whether replenishing air pressure or emergency inflation, it can be completed within 3-5 minutes. Through intelligent sensor technology, the inflation process is accurate and error-, avoiding any risk of over-inflation, and helping you maintain optimal driving 2.Smart Auto-Shutoff Function: Press the "Start" button and the air compressor portable will automatically inflate according to your preset target pressure. When the set pressure value is reached, it will automatically stop inflating. The tire inflator provides 4 smart inflation modes (car, motorcycle, bicycle, ball) and custom mode, and 4 inflation units (PSI, Bar, kPa, kg/cm²) for you to choose 3.LED Lighting & Power Bank: In addition to the inflation function, this car tire air pump portable also has a built-in LED light to help you use it in dark environments. The built-in USB-A charging port can provide emergency power for your mobile phone or other mobile devices to solve the problem of insufficient power that may be encountered during outdoor activities. Low noise design ensures that it will not disturb the surrounding environment during operation 4.Efficient & Battery: The air compressor for car is equipped with a powerful 20,000mAh rechargeable battery, it can support multiple inflations after a single charge and can support inflation of up to 8 car tires (195/65R15) from 30-36PSI, ensuring long-term uninterrupted use. It supports USB-C fast charging function, and the dual-value LCD digital backlight display can clearly display the tire pressure value in real-time, even at night