The car air pump is a great way to keep your tires inflated and ready for any situation. You never know when you might need it, so this product will always be handy in case of emergencies. The portable wireless car air compressor is the perfect tool for all drivers! 100% Brand New and High Quality Multi-function electric air pump can be used for car tires, inflatable swimming pools, bicycles, basketball, etc. Insert the power supply to preset the tire pressure, and it will stop automatically when the inflation is over. High-quality flame retardant material, safe and high temperature resistant, will not have any safety risks. Easy and fast gas filling, no need to screw fussily, snap operation is simple. LED emergency lighting provides security for night inflating. How to Use:Wireless1. Check whether the charge is sufficient2. Turn on the switch3. The rechargeable battery USB shows red for normal charging, green for full4. The charging time is about 3-4 hours to fully charge, and it can be used continuously for about 20-30 minutes when fully chargedWired1. Start the car,2. Directly plug into the DC12V cigarette lighter power supply in the car3. Turn on the product switch to inflate the tires of your car,Specifications:Item Weight: 0.8kgVoltage: 12V/5-13VMaterial Type: ABSBattery capacity: 1800 mAhAir flow: 35L/minCylinder block: 19 cylindersPackage Included:Please see the images for reference.