Iso-Tip #7971 SolderPro 50 Butane Soldering Iron Equivalent to a power range of 30-70 watts. Cordless, simple and safe operation anywhere. Ready to use 20 seconds after ignition. Tank contains fuel for 30 minutes of operation. Soldering temperature: 410-750 degrees Farenheit. Torch temperature: 2400 degrees Farenheit. Comes with soldering tip (#7992) and protective cap (#501).