Smart and Safe Air Pump: This bicycle air pump has 4 preset inflation modes (bicycle, motorcycle, car, and ball), which allow you to quickly switch between them. Its electronic display accurately detects tire pressure and automatically stops when the set pressure is reached to prevent overcharging. Auto-off and built-in memory function: PSI, BAR, KPA, Kg/cm², 4 units optional. When the filling volume reaches the preset value, the pump will automatically stop to prevent over-inflation. (Please set the pressure first. Note: Click the "Cycle" button to select the desired mode. Press and hold the "Cycle" button to select the desired unit.) Multifunctional Emergency Tool: This portable tire inflator is equipped with indicator lights for lighting, warning, and emergency call, which increases the flexibility and safety of its use. The top part is equipped with an LED emergency light, a powerful flashlight, and an emergency light to facilitate inflation and tire changes in the dark. Mobile