PRESS TYPE SPOT WELDERROCKER ARM TYPE SPOT WELDERTABLE TYPE SPOT WELDING MACHINEPRESS TYPE PROJECTION WELDERCAPACITOR DISCHARGE STORED ENERGY PROJECTION WELDERConstant Current Control with Secondary feedback.Large Display for Secondary Current Primary Voltage.32 Welding Schedules can be stored for reference.3 steps welding current (Pre-heating, Welding Current, Temper Current).Up Slope and Down Slope Current feature to avoid weld splash.2 Pressure Valve Outputs.In Built Weld Counter.Self Error Diagnosis and Display.