The Lincoln multi-process welder Idealarc DC600 W/ VRD Description: Full range output voltage control for easy operation and precise control; VRD (Voltage Reduction Device) reduces OCV (open circuit voltage) when not welding for added safety (select models); Standard analog ammeter and voltmeter; Mode switch for selecting desired output characteristics; 115V, 15 amps, duplex auxiliary power receptacle – (60 Hz models) makes it easy to power lights, grinders and other shop tools at your work station.