haxiaoer 145A MIG Welder Gasless 2 in 1 Semi-Automatically Synergy MIG Welding Machine with Smart Digital LED Dispaly, Come Welding Rods Flux Wires, Best for Beginner 【Smart Digital LED Display】 The gasless mig welder is equipped with an user-friendly display that provides with the precise parameters meet your needs for – welding current, workpiece thickness, electrode diameter, and adjustable arc parameters. The 3-key button allows you to set the parameters you want more quickly, saving you more time than 1 knob! 【Synergic control 】haxiaoer mig welding machine could automatically match the wire speed, voltage and workpiece thickness after the flux wire is selected. The adjustable hot start and arc force can improve your welding efficiency and provide you with a beautiful weld. It is per.