Features: PRESET TIRE PRESSUREAfter plugging in the power supply and preset the tire pressure, it can start to inflate, and it will stop automatically when the air is full. Digital display supports switching the air pressure unit, adding and subtracting the tire pressure value. QUICK INFLATIONMetal cylinder, stable and durable. With strong power, the 30S inflates quickly. Metal inflatable head, press-button inflatable, tight and air-tight. After charging, there is no need to reset the tire pressure next time. TIRE PRESSURE MONITORINGAccurate pressure measurement, timely inflate car tires, real-time control, avoid tire pressure too high or too low, avoid tire burst, and drive safely. WITH LIGHTThe air pump comes with a bright LED light, which illuminates the environment in the dark at night, and is easy to inflate, solving your troubles. 3 DIFFERENT NOZZLESIt is equipped with 3 different inflation nozzles, which can inflate cars, motorcycles, bicycles, rubber boats, balls, etc. The 3-meter-long power cord can be used to inflate the front and rear wheels. Specifications: Color: Black+yellow Material: Metal+ABS Voltage: DC12V Power mode: Cigarette lighter Inflator size(diameter x height): About 18.5 x 8.5cm/7.28 x 3.35inch Cable length: About 3m/118.11inch Package Includes: 1pc xCar tire inflator 3pcs x Inflatable nozzle Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. How to use: 1. Start the car. 2. Insert the power cord plug into the cigarette lighter. 3. Install the inflation port on the tire air nozzle. 4. Preset the tire pressure first. 5. Press the air pump switch to start inflating, and it will stop automatically when it is full. 6. Inflation is complete. Detect tire pressure method: Press the inflation nozzle to the tire valve and press it to display the current tire pressure value of the tire. Flat tire method: When the tire pressure of the car tire is too high, press the air nozzle to half to deflate.