Superior Inflatability: This tire inflator can inflate up to 6 car tires/15 motorcycle tires/30 bike tires/50 balls when fully charged. It is powered by a built-in 20,000mAh high-capacity battery that delivers high-speed airflow to inflate car tires from 30-36psi in one minute, perfect for emergencies when tires run out | Multifunctional: It can not only be used as a portable air compressor to inflate tires, but also as an emergency power supply to power your cell phone or other electronic devices. It is also equipped with 2 LED lights for nighttime illumination, and an SOS alarm that serves as a warning light to protect you in the event of an emergency outdoors | 4 Inflation Modes: Four preset inflation modes can be switched at any time to inflate car, motorcycle, bike tires and balls, and stop when the preset pressure value is reached, which is easy and safe to use. The maximum pressure value of the air pump is 150PSI, which can meet your diversified inflation needs. In addition, the four pressure units of PSI, KPA, BAR and KG/CM² can be easily switched by pressing the button | Intelligent Display: Large LCD intelligent display, clearly shows the real-time pressure value and preset value. 0.1BAR high-precision tire pressure measurement accuracy, easy to monitor the tire pressure, automatic shutdown when it reaches the preset value, preventing over-inflation and ensuring the safety of use | Portable Design: Portable tire compressor with cordless design, small size, beautifully packaged with a storage bag, easy to carry and place in a backpack or trunk, especially suitable for self-driving travel needs. It is not only a necessity for daily life and long distance traveling, but also a perfect gift for your friends and relatives