Description: Insert the cigarette lighter into the cigarette light hole in the car and start the car. Three meters long power cord, can be easily connected to the front and rear wheels of the car Screw the air nozzle onto the tire that needs to be inflated,The R button on the screen and can switch the inflatable unit Press the +- button on the button display to book the first set of pressure required to inflate,Wait for the inflation to complete, when the pressure reaches the preset value, stop working automatically This product has lighting LED lights, which can be used in low light environment at night. Specification: Material: Plastic and Metal Size: Approx 210*20*80mm Input voltage: 12v Rated input power: 120 (W) Inflation time: 2 minutes or so Inflatable sound: below 50DN Continuous working time: 8min Package Includes: 1 Piece Car Tyre Tire Inflator Pump Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you