Easy Operation Air Compressor without Cord Power Supply, No Hassle With 7500mAh rechargeable high-capacity battery built in, air pump ensures 40mins continuous inflation without Cord Power supply. Furthermore, designed with quick connection technology,the tire pump ensures easy operation, just takes 1 second to connect the inflation tube and inflator. Accurate Tire Pressure Gauge, Real-time Pressure LCD Display Air PumpEquipped with upgraded high precision chip, ensure accurate tire pressure Gauge. Dual large LCD display shows both real-time pressure value and preset value, convenient to observeand operate. Auto shut-off when reaching the preset value, no risk of over-inflating. 5 Inflation Modes and Maximum 160PSI Pressure, Suitable for Various Inflation Situation 5 preset inflation modes (cars/motorcycles/bicycles/balls/manual) can be simply and easily switched depending on your inflation needs. Maximum pressure of the manualmode is up to 160PSI, provides a wider inflatable condition for you. Heat-Resisting Air Tube & Noise-Reduction & Lighting and ChargingNylon braided mesh outside the inflation tube can effectively isolate the high temperature generated during operationNoise reduction technology enables the air pump to work withoutharsh noise; Built-in LED light provides convenience for you to inflate and change tires in the dark.