Plug N Plate Gold Kit Easily Plate Gold over Copper, Nickel, Silver, Brass and other similar metals. Includes 4oz 24K Gold Plating Solution. Has 4 month shelf life. Just Plug In The Power Pack and Plate. Full Instructions and Free Technical Support Included. Perfect For Gold Plating Car Emblems (chrome stripper required) Contact Caswell If You Have Any Questions Before Purchasing Power Supply: 110VAC Input, 4.5V 300ma DC Output. US Plug