Designed for precision work including fine soldering, jewelry repairs, craft projects and heat shrinking wire, the Cordless Soldering Iron for Hobby and Household Use features three interchangeable settings: soldering tip, hot air blower and micro torch. A flame adjustment fine-tunes the precision flame, the electric ignition makes lighting easy and a continuous flame lock keeps the torch lit while in use. Three interchangeable settings: soldering iron, hot air blower and micro torch with pinpoint flame Convenient ignition switch easily ignites and extinguishes flame For use with butane fuel, such as the Bernzomatic 5.5 oz. Butane Cylinder Pinpoint flame for detailed work Adjustable flame control easily sizes flame for different applications Continuous flame lock keeps torch lit CPSC approved child resistant ignition.