Air PumpOur air compressor shell is made of PC material, which is sturdy and durable. The tire inflator with 4 predefined modes: car, motorcycle, bicycle, basketball. You can press once to switch to the correct mode. A preset pressure value will be selected but you can adjust it as you see fit. The air pump with maximum high pressure capacity up to 150PSI is more convenient to use. High precision detection of tire pressure, accurate to 0.05 bar Digital Pressure GaugeLED digital screen displays the current pressure value when the tire pump is connected, so you can monitor the tire pressure. tires in real time every time. The display of our air pump is high brightness white light, very clear under the sun. The air inflator has 4 pressure measurement units PSI, BAR, KPA, Kg/cm2. The automatic tire inflator stops inflating automatically once the tire pressure reaches the preset value LED LightingThis air pump has a built-in LED flashlight to stratify in case of lack of sunlight. Allows you to use it when camping, outdoors, emergency, traveling, etc. Firstly, turn on the tire inflator, then press for 3 seconds, the LED will light up. Press again to turn it into SOS flash mode. Long press again to turn off the LED Portable RechargeablePortable and easy to store, it is a necessity for self-guided tours & outdoor activities. Using TYPE C input to charge the air pump. Make sure the power source is 5V/2A, if lower it will take longer to charge. With the right power source, it will take approximately 8 hours to fully charge the device. The charging icon on the LED will flash and keep showing the capacity until it reaches 100% Easy to UseStep 1 Connect the air pipe, make sure the air pipe and the air nozzle of the air pump are completely screwed in. Step 2 Connect the air nozzle to the car tire and make sure the air nozzle is completely aligned with the car tire inflation nozzle. Step 3 Press the power switch of the air pump, select car mode, press OK to start automatic inflation, and stop when full