Elenco AC/DC Triple Output Power Supply Soldering Kit (XP720K)NOTE: This kit requires assembly with a soldering iron. Soldering iron and solder are not included. Build an AC DC Triple Output Power Supply, useful anywhere precise DC voltage is required Features three fully regulated solid state power supplies Ideal for use in school labs Made in the United States For 30 years Elenco has been using their strong engineering and design skills to develop reliable, affordable electronic test equipment, tools, and