1The operation is simple, plug the portable air compressor power cord into the car's 12V power socket, then press the inflation nozzle on the tire valve to adjust the pressure value required by the tire, and press the switch to start inflation. 2Equipped with a 2.8m power cord and an inflatable adapter, suitable for inflatable objects such as cars, bicycles, motors, ATVs, compact or medium?sized cars, SUVs, inflatable mattresses, inflatable boats, balls (but not large trucks or motorized trucks). 3The portable air pressure pump is equipped with a large, high?precision, high?brightness digital display to help you check tire pressure and preset tire pressure values. 4The digital tire inflator is equipped with a long?lasting, bright LED light that can be easily used even in the dark, so you can reinflate at night or quickly check it out on dark and remote roads. 5When the required tire pressure is reached, the air compressor pump will automatically shut down. Built?in 1 cable storage slot and 1 hose storage slot, don't worry about the cable is too long to fit, it is more convenient to use. 6It can inflate 195/55/R15 car tires from 0 psi to 35 psi in less than 5 minutes. More efficient and faster than traditional pumps. Integrated precision tire pressure gauge.