PRODUCT DESCRIPTION: 1. Name: Car air pump2. Working voltage: DC12V3. Power supply: cigarette lighter4. Product style: digital display5. Product size: direct 17cm thickness 5cm6. Power cord length: 3.6 meters feature of product: 1. Tire pressure memory function, set the tire pressure once, and charge the tire with the tire pressure next time, without resetting the tire pressure. After inserting the power supply, the tire pressure is preset to start charging, and it will automatically stop after the gas is full, no need to watch. 2. Smart display, easy to set up and operate3. Permanent magnet motor, fast inflation, strong power to quickly increase the inflation speed, which can be completed in a few minutes, let inflation enter the era of speed increase4. Accurate pressure measurement, safety explosion-proof, tire pressure detection anytime, anywhere, digital display dial at a glance5. The nighttime emergency does not touch the black, the air pump comes with a bright LED light, which illuminates the environment in the dark at night to solve your troubles6.3.6 meters of inflatable use range: 3 meters long power supply and 0.6 meters preparation extension tube, which can take into account the front and rear wheel inflation7. Equipped with 3 different kinds of inflatable nozzles, which can be used to inflate bicycles, motorcycles, bicycles, rubber boats, balls, etc.