Rapid Tire Inflation and Deflation: Achieve optimal tire pressure in seconds with Our portable tire inflator,boosting your 195/65 R15 car tires from 28PSI to 33PSI With 1 PSI precision,The built-in digital tire pressure gauge and the high-pressure air hose equipped with a deflation button, allow you to safely adjust tire pressure for weather changes or when traversing sandy, muddy,or snowy terrain. ensuring safe and efficient travel for daily commutes,or off-road adventures.High-Capacity Battery: A single charge inflates up to 21 car tires (195/65 R15, 28-33PSI), 110 motorcycle tires(28-33PSI), 12 bicycle tires, or 90 balls.Dependable for home, outdoor activities, or roadside emergencies,Our portable air pump provides reliable power support.One-Touch Inflation: Select from 4 preset modes (car, bicycle, motorcycle, ball) and 4 pressure units (PSI, KPA, BAR, Kg/cm²), Our smart chip remembers your last setting for effortless, one-click inflation. No more over-inflation worries, ensuring precision and convenience.It makes a practical present for fathers, husbands, or friendsUnmatched User Experience: The car tire air pump portable comes with a 15.74-inch heat-resistant air hose with a 360-degree rotating head allows for easy inflation and deflation from any angle, LED lights for nighttime use include a white light, slow flashing red for warnings, and fast flashing red for SOS signals, catering to all your illumination needs.Multifunctional Design: Beyond being a portable air pump for car tires, the car air pump also serves as a power bank for smartphones, a flashlight, and includes a built-in tire pressure gauge,With a 5V/2A USB-C and USB-A port, it's the ultimate companion for any journey