The output quick plug 35-50 to prevent the welding gun or the welding handle from getting hot due to excessive current? Pulse function can weld ultra-thin plates 0.5mm without deformation of the base material? Diversified functions ARC (quick spot welding, set spot welding time, with hot arc ignition to make the welding machine quick arc)? Cold Tig-2T/4T? The digital welding torch can remotely control the current and gas of the welding machine to improve welding efficiency. It will automatically enter the standby state if no-load time exceeds three minutes, reducing power consumption. Accurate arc point energy, ? Small heat affected area? Beautiful and flat welding seam? Easy to operate, low cost of use.