Feature: 1. This machine is suitable for 12V car tires, 2. It is also suitable for motorcycles, bicycles, balls, rubber boats, beach floats, inflatable toys, etc. 3. On the highway, in the wild or to work in the morning, the tire suddenly leaks or the tire is injected, which can be used for emergency treatment. 4. Keeping the correct tire pressure in the car tire can driving safety and save gasoline. It is used with the car just in case. It has endless uses. 5. It is equipped with a complete set of inflation nozzles, which can be used to inflate tires, rubber boats, air cushions, inflatable toys, balls and other purposes. [Instructions]: 1. Insert the nozzle on the rubber tube head directly into the tire valve. When you hear the sound of air leaking from the tire, it means that the air has been circulated. Continue to tighten the nozzle. At this time, the air will no longer leak. 2. Insert into the DC12V lighter 3. When inflating, the instrument pointer rises with the degree of tire saturation. When the pointer reaches the appropriate tire pressure (the tire pressure of a general car tire is 223kpa=35PSI), remove the plug and the air nozzle to complete the work. 4. Please use the professional ball needle and plastic nozzle equipped with this machine to connect to the air nozzle to inflate balls and other air-requiring equipment. [Precautions]: 1. Do not use it to inflate tires of large and overweight vehicles, such as trucks, large trucks, box-type container trucks, etc.; 2. Please start the car engine to increase power when using it, and do not consume the power of the car battery; 3. This machine is limited to DC (DC12V) power supply. Name: Car Air Pump Product Cylinder: 19 Cylinders Material: Metal colour: black+silver Package Contents: 1 x Car Air Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.