... put current stable 1.Digital adjustable,electricity time,welding current,etc,2.Touching panel,duralbe and ... 200-4000ASingle side spot welding range0.8+0.8MMCalbe length(gun and ground wire)1.5+2MWelding current ... (spot clamp)2000-12000AAllowed welding thickness2.5+2.5MM1 ... .everet.net to see more details. Welding machine, Spot Welding Machine EE-SP12000