Do you know the harm of the low tire pressure? Low tire pressure can decrease your gas mileage, wear your tires quicker and sacrifice traction and control over your vehicle,which can be potentially hazardous in decisive moments on the road. really need an air compressor pump in your trunk. This portable tool could help you to solve the problem immediately to ensure your driving safe. Feature - Color: yellow - Material: Plastic+aluminum alloy - Size: 22 x 14cm - Input Voltage: DC 12V - Product power: 120W - Product current: 10A - Inflatable tube length : 45cm - Air flow : 35L/min - Cylinder specifications : 19 cylinder and 22cylinder - Inflation time : 3-5min - Battery capacity : 2200mAh - Quick inflating : Quickly and accurately inflates a standard mid-sized car tire in 3-5 minutes. - Portable and space-saving: Portable size makes it takes up very little space. You can store it without in your trunk and no need to worry about leakage any more. - Multi-purpose: Compatible with almost all kinds of car tires - Intelligent digital display screen, clear display, clear tire pressure - Strong motor, special power, safe use, dissipation Package list: 1 x inflatable pump