1.Connect the hose into the bottom tire valve core. 2.Press down the buckle on the air hose to prevent air leaking. 3.Press the button "Unit" to wake up the LCD screen. 4.Press the button "+" and "-" to preset tire pressure. 5.Press the power button to start inflating, it will stop automatically when the preset pressure is reached.
1* Air Compressor 1* USB Charging Cable 1* Air Hose 1* Presta Valve 1* Ball Needle 1* Toy Nozzle 1* Storage Bag 1* User Manual