1.[Persistent Power Tire Inflator ]: This tire inflator is equipped with a high-quality rechargeable 10000mAh battery, this tire inflator triple the lifespan and extended usage time.With just one full charge,the powerful motor delivers up to 150 PSI of pressure. you can inflate four 195/55/R15 car tires (0-36psi), away from the problem of low power. 2.[AUTO SHUT OFF]: Use the '+' and '-' control buttons on the Tire Inflator Air Compressor to easily select your desired pressure, connect the air hose to the tire, and press the power button.Once the preset pressure is reached,electric air pump will automatically shut off,eliminating the need to worry about over-inflation, to use. 3.[4+N Inflation Mode]The portable air compressor for car tires with 4 units: PSI, KPA, BAR, and KG/CM ²,and 4 preset inflation modes (car, motorbike, bicycle, ball). The fifth custom mode can also set pressure values based on the inflation object to meet various inflation needs. making it a must-have for traveling and home life. 4.[Dual Screen Display]This portable air pump has a built-in high-precision and high-performance chip. The large-sized LED display screen displays real-time pressure values and preset values, making it easy to monitor tire pressure status. ensuring that every inflation is accurate (the accuracy of the measurement at ±0.1BAR is normal).The automatic shutdown design can also prevent excessive inflation, making it to use.