SolderPro 90 Kit Butane Soldering Iron, Blow Torch, Heat blower and Heat Knife, All in One Kit Portable, Cordless, Multi-Purpose, Tool Box Kit Soldering Iron is equivalent to an 80 watt electric iron Butane Powered, easily carried and can be used anywhere Adjustable tip temperatures ranging from 480F to 1020F One single refill can allow up to 55 minutes of continuous use