Multi-function air compressor is a battery-powered cordless air pump. It can easily inflate tires of cars, bicycles (road bikes, mountain bikes, track bikes), motorcycles, sports balls and swimming rings in tens of seconds. Efficient LP1 car tire inflator can quickly inflate car tires from 28PSI to 34PSI (175/65R14 82T) in one minute. Even if you need to inflate for night travel, the LED light function allows night operation. Digital Display The tire inflator is equipped with an accurate pressure gauge and an easy-to-read digital display, allowing you to quickly read the accurate tire pressure in real time. The digital display shows the preset air pressure value and the actual air pressure value. (Patented function)Smart Electric Tire Pump When the preset pressure is reached, it will automatically shut off. Just set the desired tire pressure with the button, press the start button, and wait for the device to stop automaticallyPortable Tire Pump Super compact and portable, easy to store in the car glove box, bicycle frame mounted bottle holder or saddle bag, seat bag