Traditional tire inflator is not efficient and it is a heavy work. This electric tire inflator can inflat tire fast and safely. The scale helps you to judge whether you should continue to inflat or stop. It is quite samll and lightweight. There is a prepared slot for the tube so it can be embedded into the slot, which looks tidier. Feature - Color: As shown. - Material: Plastic and metal. - Size: 17.5 x 17.5 x 6.5 cm. - Voltage: 12V. - Power: 90W - There is a scale for easy the pressure of the tire. - Plug into the cigarette lighter socket to run it. - It mainly used to inflat car tires, not suitable for trunk and other heavyduty vehicles. - You should stop it by hand when you find the pressure of the tire is reaching the standard pressure. - Small size and lovely apperance. A good gadget for those who have a car. Package list: 1 x Air Compressor