1.[LCD Real-Time Pressure Gauge]The mini electric air pump comes with a clear LCD display, you can easily see the real-time air pressure value of the tire through it. The value format of the air pressure gauge is easy to read, so you can simply read the exact value to ensure that the inflation process is accurate. 2.[ Mini Bike Pump]The size of the tiny tire inflator is 2.952.131.38inches, the shape is small and exquisite, the weight is only 0.35lb, and there is also a lanyard for easy carrying. You can put it in your pocket when riding, the compact and lightweight pump will not add trouble to your riding trip, but also can inflate the tires in time for the emergency. 3.[Preset & Auto Stop]When using the mini bike pump, you can choose the desired air pressure value in advance through the buttons and mode icons on the display, the maximum air pressure can be up to 150PSI, and then press the start button will be automatically inflated, and it will stop automatically after the inflation is completed. 4.[Multiple Functions In One]Mini bike air pump comes with an air hose, a Presta and Schrader nozzle converter and a ball needle. It can inflate road bikes, mountain bikes, city bikes and e-bikes. It can also inflate basketballs, soccer balls, volleyballs and other balls. One item is multi-purpose and makes inflating easy.