Long-lasting power air pump: This tire inflator is powered by a built-in 8000mA rechargeable battery, so there is no need to connect to an external power source during use. The inflation speed is three times faster than other ordinary wireless inflators on the market. It only takes a few minutes to quickly inflate vehicle tires. The maximum pressure value of the air compressor is 150PSI.Four inflation modes: One-click preset, you can easily switch between PSI, kPa, BAR and KG/CM pressure units at the touch of a button, which can inflate cars, motorcycles, bicycle tires and balls to the preset It stops when the pressure value is set and is easy to use.Multifunctional air pump: Not only can it be used as a portable air compressor to inflate tires, it is also equipped with LED lights for lighting and SOS alarm at night. There is a 5V/2A USB output port on the top of the product, which can power mobile phones or other electronic devices and serve as an emergency power supply.Smart display: Large-size LCD smart display clearly displays real-time pressure values and preset values. High-precision tire pressure measurement accuracy of 0.1BAR makes it easy to monitor tire pressure. When the preset value is reached, it automatically shuts down to prevent over-inflation to ensure safe use.Portable Design: The portable tire compressor adopts a cordless design, small size, beautiful packaging, and comes with a storage bag, making it easy to carry and place in a frame or backpack. Not only a must-have for daily life and long-distance travel, but also a perfect gift for friends and family.