How to choose automobile air pump?

At present, the pump is divided into two kinds of horizontal bars and parallel bars. For small cars, you can choose the horizontal bars which are cheap and save electricity, but for large SUV horizontal bars of the car air pump is unable to cope, it is more suitable to choose the horizontal bars air pump. Again beautiful shoes do not fit it is just a decoration, the choice of vehicle air pump is the same, according to their own models to choose. At present, the pump is divided into two kinds of horizontal bars and parallel bars. For small cars, you can choose the horizontal bars which are cheap and save electricity, but for large SUV horizontal bars of the car air pump is unable to cope, it is more suitable to choose the horizontal bars air pump. Automobile air pump is used when the tire pressure is insufficient and the tire leaks and loses air. It has become an emergency supply for the car. The general owner will put it in the trunk, but for the large heavyweight air pump not only occupies a larger space to prevent the placement of other items, but also increases the weight of the car, accelerates the consumption of oil and causes property losses to the owner to a certain extent. Especially for the female driver strength small this behemoth is not easy to move.