Caswell Plug N' Plate Silver Electroplating Kit Easily Plate Silver over Copper, Nickel, Gold, Brass and other similar metals. Just Plug In The Power Pack and Plate. Power Supply: 110VAC Input, 1.7V 300ma DC Output. US Plug Full Instructions and Free Technical Support Included Perfect For Re-Silvering Headlight Reflectors and Jewelry Contact Caswell If You Have Any Questions Before Purchasing