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 further prevents over-inflation and makes operation simple and safe. PORTABLE CORDLESS BIKE PUMP: The air pump's inflation hose features an