Multifunctional tool for changing tyre(electrical jack,Electrical Wrench)is an electrical tool to assembly or disassembly tyres for cars,it operates easily and responses rapidly. There are features as below: (1) protection overloadly. (2) Lingting for night (3) With adjustable shift ,seletion goes according to the weight of cars. (4) Hand work goes when power supply is out of function Electric car wrench 1. Voltage: DC 12V 2. Rating current: 13A 3. Rate power: 60W 4. Max. Torque: 280N. M 5. N. W: 1.6Kg