It is sturdy and robust due to the strengthened solid screw rod and high-strength steel body. Because of the anti-oxidation painting body, it's also anti-rust and wears resistant. It saves energy thanks to the low-power 12 V DC motor. If the car cigarette lighter is not working, battery clips with 12 V DC could be used to attach the battery. The cross groove saddle and quadrilateral base What's in the box 1x Electric jack 1x Battery clamp 1x Hand rocker 1x power cables 2x gloves fuse