About this item : 1.Faster Tire Inflator: The powerful tire inflator has a built-in high-performance chip that can quickly inflate tires and provide 35L/Min of airflow. 2.Powerful Battery Life: Come with the rechargeable 8000mAh battery, can provide a wirele continuous runtime up to 40 mins. 3.4+N Smart Modes: 4 types of preset inflation modes (bicycles, motorcycles, cars, and balls) are convenient for beginners to choose. The manual mode allows you to set preure value (3-150psi) according to the inflation object. The operation is simple, easy to use and meet your various inflation needs. 4.Accurate LCD Digital Preure: The large LCD dual display shows both real-time preure value and preset value, convenient to read and observe the tire preure status. 5.More Than A Tire Inflator: On the top of this air pump is a 2-mode LED light providing convenience for you to inflate and change tires in the dark. On the bottom there is a 5V/2.5A USB-C input port and a 5V/2A USB-A output port, making it an emergency power supply for your phone. Besides, its compact size can be easily fit in your car, bicycle rack or backpack