EASY TO USE&AUTO SHUT OFFPlug Carsun portable air compressor power cable into the car's 12V power outlet, then press the inflation nozzle into the tire valveset the pressure value required by the tire and press the switch to start inflating. The air compressor pump will automatically shut off when reaching desired tire pressure.150PSI MAX WORKING PRESSUREWith maximum pressure 150 PSI and air flow 35L/min, it can inflate the 195/65/R15 car tire from 0 to 35psi under 5 minutes. It's much faster and more effective than traditional pumps, and comes with an accurate tire pressure gauge.DIGITAL DISPLAY & LED LIGHTINGCarsun tire inflator is equipped with a large high-precision and high-brightness display to help you check the tyre pressure and preset the tyre presure values. The digital tire inflator is equipped with bright, long-lasting LED lights that can be easily used even in the dark.MULTI-PURPOSECarsun air compressor pump has a 10ft power cord and inflatable adaptors( 4 additional nozzles) allowing to reach all tires of your car, bike, motor, ATV, compact or midsize Sedan, SUV, air mattress, inflatable boats, balls and other inflatables (NOTE: NOT SUITABLE FOR TRUCKS OR MOTOR LORRIES).WORRY-FREE GUARANTEEIf you have any questions or concerns about our product, please email us directly. We're committed to providing high-quality products and services to every customer, and we'll do our best to help you solve any problems you may encounter.