1. FAST EASY Auto Tire Air inflator can Fully inflate standard car tire in 2 to 4 mins. Simply connect it to 12V power outlet in your car and attach the hose to the tire intended for inflation. You just need to clip the switch and the Air compressor will do all the work for you, and it automatically turns off when it reached the preset pressure. 2. AUTO SwitchoffThis upgraded Car Air Compressor Pump uses latest technology. You can preset the pressure you need for the tire, and when the tire reaches the preprogrammed pressure, the car air pump will automatically turn off. So no more worries on overinflating or low tire pressure anymore. 3. More FunctionsThis electric auto air pump comes with the LED flasher and HD digital LCD display Screen for night uses. Besides, the 9.2 ft. power cable is long enough for you to reach the all the tires easily. No need to unplug it each time from one tire to another. 4. MultiApplicationProvided with 4 Additional Nozzles for all applications. This inflator's 9.2 ft power cord and 4 additional nozzles allow you to reach all tires of your car, bike, motor, ATV, compact or midsize Sedan SUV, etc. Also, sports equipment and inflatables adapters included, makes it suitable for air mattress, inflatable boats, balls, balloon and other inflatables.