With this 5-amp rectifier, changing AC current into DC current has never been so simple! Achieve more capability (higher amperage) in this unit as compared to the 3-amp rectifier. This rectifier features a dual digital display, one for voltage and one for amperage. You may control voltage (0-20) and/or amperage (0-5) with separate dials. You can plate approximately 72 square inches of surface area. The machine also features positive and negative jacks; lead wires are included.