FAST AND SAFE INFLATION: The portable air compressor pump has a built-in high-performance chip that can inflate your car tires in minutes with an accuracy of 1 PSI. The maximum pressure is 150 PSI/10.3 BAR. As soon as the preset pressure is reached, the device will automatically shut off to prevent overinflation. It has a smart cooling system and air exhaust vents to prevent the device from overheating. SMART AND LCD DIGITAL DISPLAY: The portable electric air pump is compact (17.5 x 7.5 x 5.9 cm) and has a built-in 6000 mAh battery, which makes it powerful. The car tire pump is equipped with a dual digital LCD screen that displays both the preset value and the real-time pressure value for easy reading and observation of tire pressure. The smart chip detects tire pressure with an accuracy of 0.1 bar. The air pump's fully automatic shut-off system also prevents over-inflation and makes operation simple and safe. PORTABLE CORDLESS BIKE PUMP: The air pump's inflation hose features an easy-to-install design and can be installed in just 1 second. Thanks to its compact and lightweight strap design and storage bag, it can be easily stored in the car, on the bike rack, or in the backpack, leaving your hands free and making it an ideal tool for traveling. Anyone can use it without any problem. It also comes with a box and a storage bag, making it a perfect gift for family and friends. USB POWER BANK & MEMORY MODE: Equipped with a bright LED light, it allows clear operation even at night. It has a USB-C input and a USB-A output that can serve as a backup power source for mobile phones. The memory mode of the electric air pump can automatically save the last used units and presets, making your use more convenient. VERSATILITY: Our electric bicycle air pump is a portable cordless tire inflator, without external power supply. Thanks to its rechargeable battery, you can inflate your tires anywhere and anytime. Our car battery air pump comes with different nozzles for cars, the Note: The data are all manually measured, please allow an error of 1-3 cm. Due to differences in light and display, there may be color differences, please refer to the actual item received.