Butane powered with removable and refillable LEC (Liquid Energy Cells). Multifunction tool, solder iron and torch. Soldering iron is equivalent to a power range of 30-125 Watts. Torch function produces 2400ºF blue flame. Cordless, portable, ready to use in 15 seconds. Kit includes: tool, solder, 3 tips, 2 fuel cells, extra orifice assembly, and storage case.