The role of 24V vehicles is mainly to raise weights with the car. For example, it is difficult for truck drivers to carry 200, 300 kilograms of heavy objects, or 100 kilograms of heavy objects from the ground to the car. The car crane function can solve this problem well, and can be used on the bottom plate of the carriage. The specifications are divided into 500 kg (0.5 tons), 1 ton, and 2 tons. Among them, 0.5 tons are more specified. It has a column, a folding arm, and the main component of the elevator, which can rotate 360. There is a handle to control the direction when used. The driving method is electric, saving effort to use. The power supply is the battery on the car. It can also be used for a single battery for the suspension machine. It is divided into 12V and 24V specifications.