High Performance: This battery-powered air pump delivers a maximum pressure of 150 PSI. Its powerful motor generates an airflow of 25 liters per minute. It can inflate a car tire (195/55R15) from 0 to 2.48 bar in 4 minutes and 30 seconds, or a racing tire (700x28C) from 0 to 120 PSI in 4 minutes and 13 seconds.Versatile Applications: This battery-powered air pump comes with 4 accessories (US valve, French valve, needle valve, air valve) and 4 pressure units (psi, bar, kPa, kg/cm²). Simply connect the pump to the tire for accurate tire pressure measurement.Intelligent Pressure Control: You can set the desired tire pressure before use. The battery compressor automatically shuts off when the preset pressure is reached to prevent overinflation.Easy to Use: This electric pump features a large display screen, making it easy to read values ​​even at night or in sunlight. In addition, a flashlight is included on top for convenient nighttime work.High-capacity battery: This electric bicycle pump has a built-in 4000mAh lithium battery that can be charged via a Type-C interface. A full charge can inflate 2.5-inch 175/55R15 tires (0-36 PSI), 7-inch 700x28c tires (0-100 PSI), 24-inch mountain bike tires (0-45 PSI), and 10-inch motorcycle tires.