3-in-1 gas soldering iron with piezo ignition powered by lighter gas - butane with a power of 30-70W. the capacity of the tank is 12ml which allows you to work up to 60min. the inspection window in the body makes it possible to check the gas level the burner is designed for tin soldering, pyrography (burning in wood), tanning or shrinking heat shrinkable materials the burner can be used for soldering CU pipes, unscrewing baked screws, welding or thawing as well as for bending and heat forming it has the following functions: soldering iron (max temp 350º C) tanning iron (max temp 550º C) burner (max temp 1300º C)