... reliable,out put current stable 1.Digital adjustable,electricity time,welding current,etc,2.Touching panel,duralbe and reliable,out put ... current stable.3.Microprocessor control,optimize the welding parameter.4.Can be connected to STUDDER kit, manual spot ... current41ANo-load voltage15.6VWelding current(gun)200-4000ASingle side spot welding range0.8+0.8MMCalbe length(gun and ground wire) ...