??FAST & EASY??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 will automatically turn off when it reached the preset pressure.??AUTO Shut-off??This upgraded Car Air Pump uses latest technology. Maximum inflation pressure 150PSI, you can preset the pressure you need for the tire, and when the tire reaches the preprogrammed pressure, the car air compressor will automatically shut off. So no worry about over-inflating or low tire pressure anymore.??Extra Device??This electric air pump comes with the LED flasher for night uses. Besides, the 11 ft. power cable is long enough for you to reach the front and rear tire easily. No need to unplug it each time from one tire to the next.??Multi-Application??Come with 4 Additional Nozzles. This tire pump’s 11ft power cord and 4 additional nozzles allow you to reach all tires of your car, bike, motor, ATV, co