[High-Capacity Rechargeable Battery] This electric car tire air pump is equipped with rechargeable battery that can be fully charged in just 4 hours, providing up to 40 minutes of continuous wireless operation. Its compact cordless design and rechargeable battery make it an ideal choice for cars, motors, bikes, balls, and more. To protect the stability and lifespan of the portable air pump, it is recommended to rest for 3-5 minutes after 10 minutes of continuous inflation.,[Efficient & Fast] Convtoya 150PSI tire inflator portable air compressor is equipped with a powerful metal motor and high-performance chip to provide a high flow rate of 32L/min. The portable tire pump can quickly inflate car tires (26.3 inches) from 36 PSI to 42 PSI in less than a minute.,[4+N Intelligent Modes & Multiple Units] The portable tire inflator features 4 preset inflation modes for cars, motorcycles, bicycles, and balls (such basketballs, soccer balls), along with a manual custom mode where you can set the desired pressure (3-150psi). Additionally, The portable tire pump offers 3 unit options: BAR, KPA, and PSI. Whether you are a beginner or an experienced user, the tire inflator portable air compressor is easy to operate and fulfills various inflation requirements.,[Accurate LCD Digital Pressure Display and Intelligent Inflation] Our tire pump features a large LCD dual-screen display that shows real-time pressure and preset values simultaneously, allowing you to easily check and read the tire pressure and status. It is equipped with an automatic stop function that halts inflation when the tire pressure reaches the preset value, ensuring a safe inflation experience without the risk of overinflation.,[Emergency Power Supply and Portable Design] This tire inflator LED light on the top has 2 modes (steady or flashing), providing convenience for inflating, tire changing, or cycling in the dark. Additionally, it has a 5V/3A USB-C input port and a 5V/2A USB-A output port, serving as an emergency power supply for your mobile devices, offering convenience in urgent situations. The tire inflator has a compact size 6.1*2.95*1.97 inch, making it easy to carry and store.