There is an adjusting computer and a manual switch. Does that switch for adjusting power seem to be an eagle's? That clip holds the iron piece, so you have to grind the paint off the surface of the car with a grinder in advance, otherwise it will be difficult to grind it. Then there is a cut on the gun, a gasket is placed in the middle, and then it is welded to the surface of the car. There is a switch on the gun, which will weld when you press it, and then there is a hook next to it.