EASY TO USE: Just plug this auto tyre inflator into the 12V power outlet in your car and attach the hose to the tyre you want to inflate. Theres a clear digital display for the current PSI and also a mode switch to toggle between different units of measurement(bar Kpa psi Kg/cm 2). It will automatically turn off when reaching the pressure value you preset. It takes less time and effort than a foot pump. FAST INFLATION: Our digital tyre inflator is made with the original unique turbocharged movement which is more powerful less noisy and more stable. Inflating the 195/65R15 car tyre from 0 to 35psi in 5 min. Its handy in the car in case of low tyre pressure on the road. Its also perfect to take camping to inflate an air mattress float or toys for the kids. MULTIFUNCTIONAL AIR PUMP: This compact car pump utilizes the most creative and considerate design all wires fold away neatly so can store in the boot of the car. Its really convenient for daily use comes with 3 extra valve adaptors