Wireless and Portable: Wireless and compact mini size make the air compressor portable and easy to use with one hand. The compressor is ready in just 4 steps. An LCD screen indicates the air pressure. Suitable for inflating when car tires are insufficient and fully inflated bicycle and motorcycle tires; Inflation and Automatic: The electric air pump with 4 switchable pressure units (PSI, BAR, KPA, KG/CM²), so you can adjust the tire pressure as you wish. The compressor will automatically stop when the set tire pressure is reached. The maximum pressure is about 150 PSI High Capacity Rechargeable Battery: With a certified 4000 mAh lithium-ion battery, the portable compressor is ready to inflate a bicycle, ball, etc. USB charging port supports charging. Use at night: 2 built-in LED lights that can turn on automatically and the back display make the air pump easy to use even at night. Multifunctional: Air compressor comes with 3 nozzle adapters. It is possible to inflate besides tires,