Long-lasting Power Tire Inflator: Compared to its competitors, it has 35% more power and a faster inflation speed, and can inflate 4 car tires or 16 racing bike tires on a single charge, completely alleviating the worry of running out of power Quick Inflate: Battery powered air pump is equipped with a high-performance chip and a powerful motor, the tire inflator can provide 150 PSI of inflation airflow, much faster than other inflators. It only takes 2-8 minutes to inflate a car tire, and the pocket-sized design ensures portability in daily life Automatic Digital Pressure Display: When the tire pressure reaches the preset value, the air pump will automatically stop inflating after pumping out the exact amount of air. Many pressure units are displayed on the screen: PSI, BAR, KPA, Kg/cm2 Versatile and Portable: This electric air pump comes with a variety of accessories: ball needle, long air nozzle, short air nozzle, bicycle needle, ensuring you worry-free use in a variety of applications! The appearance design is easy to hold, and the compact size can be easily put into your car tool box, bicycle rack, backpack and pocket. Inflate anytime, anywhere! Auto Detection and Auto Shutoff: Before starting to inflate, this car air compressor can automatically detect the actual tire pressure. Select the desired air pressure value according to the mode. When the preset pressure is reached, the tire air pump will automatically shut down. No need to worry about over-inflation! And this car tire inflator has a heat dissipation hole design around it to prevent the body from overheating. Provide you with a safe use experience