... 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, ... spot gun.5.Continuous single spot welding and pulse single spot welding to high spot metal sheet 6. ... : www.everet.net to see more details. Welding Machine EE-SP5500