More powerful :Up to 145 more amps, Ideal performance for most 6010, 6011, 6013 and 7018 rods Lift TIG Mode: Come with WP-17V gas valve lift tig torch, Simply touch the tungsten to the work piece and lift off,it's like getting a tig welder for free Safety：Automatic compensation for voltage fluctuation, over current protection, over load protection,temperature control Automatic Hot Start：boosts the current during starting to provides easy, quick and reliable arc starts Auto Adaptive Arc Force：minimizes electrode sticking in the puddle without compromising arc stability or increased spatter