features fast heating and cooling, up to 2370°F high flame temp and 842°F soldering iron tip temp, it is equivalent to the 70W-100W soldering iron. Cordless design makes it compact and lighweight for easy portability and storage. Handy tool for field service, line maintenance, electronics/jewelry repair, home DIY, and more. Features: The 2-in-1 tool can be used as gas soldering iron and welding torch, heats up and cool down very quickly to save your time. Maximum flame temperature reaches 2372 degree Fehrenheit, while the soldering iron tip reaches 842 degree Fehrenheit. With capacity of 8 ml, the gas soldering iron allows you to work about 35 to 45 minutes continuously. Extremely easy to use. Rotate the knob anticlockwise until it hisses, use flame to ignite it, and adjust the valve slowly before use. Thermal metal shell effectively prevents high temperature without worrying about scalding, safe and reliable to use. Measures 7 by 1.2 by 1 inches, small as a pen, compact and lightweight to be carried around for outdoor and emergency uses. Note: *Please read the instruction carefully before use. *Butane is not included.