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.