* The gas delay stepless control can be adjusted between 0.1-5 seconds; at 0.1 second, it is suitable for spot welding and short welding
* The argon gas is turned off at the end of the welding, which saves 40% of the gas
* Overheating and near-load protection to protect personal safety, energy saving and electricity saving, easy arc starting
* The argon gas is turned off at the end of the welding, which saves 40% of the gas
* Overheating and near-load protection to protect personal safety, energy saving and electricity saving, easy arc starting