【AUTO OFF & Programmable】----Use the "M" button to set the desired pressure unit, then press the "+" and "-" buttons to set the desired pressure. After connecting the inflation hose, you can inflate. When the tire pressure reaches the preset value, it will stop automatically.We can also use the LCD digital pressure gauge to measure the air pressure of the inflatable items.

【Super Power】----The air pump adopts compact design and reinforced materials inside, 45W power, maximum support 150PSI, fast inflation without cables, plug and play, car tire air pump has undergone 20,000 hours of durability test, this technology increases the service life of P503 car tire pump by 80%（The inflation speed will be affected by the tire size, which is a normal phenomenon）

【Power Bank & Touch Screen】----Built-in high-performance battery can power the air pump or charge the phone via USB.The large touch screen can be used to observe the real-time air pressure, adjustment mode and 4 air pressure units (PSI, KPA, BAR, KG/CM²). The tire pump can be used to measure the air pressure (the normal for the measurement accuracy to have slight deviations)

【Mini Size】---- the portable tire inflator for car is made of the highest quality materials,the new internal design makes the tire pump smaller than other air pumps,you can easily put it in a shoulder bag.

【ALL IN ONE】----portable air compressor adopts modular design, and can replace air nozzles and ball needles.The LED lights at the tail have multiple gears, emergency lighting, SOS, red & blue light warning lights, which are convenient for changing tires in dark environments and alerting vehicles behind.