The car crane is also called a small crane. It is composed of brackets and electric twisted. The specifications commonly used in car cranes are 0.5 tons, 1 ton, and 2 tons. The parameters of the 0.5 tons of cranes are: 250 kg of single rope, 500 kg of double rope, a single rope take -off and landing speed of 5 meters, a two -rope take -off and landing speed of 3 meters, the rated power is 1000 is 1000 Tile, 1.2 meters high. Different parameters of the tonnage are different. The adaptation power supply is 12V and 24V or 220V.