With small volume and light weight,the welder can be moved freely.major citcuit uses controlled.high speed,spark free thyristor as switch

It has seven steps of welding currents and takes 0-3 seconds to adjust them. It also has conneected two cables in venting water(2m).a hand -holding spot welding torch, and a spot welding clamp.

It is mainly designed for needs of sheet metal and wire fabrication.