The Micro-Jet is a self-starting hand sized micro torch powered by readily available disposable butane lighters or by the refillable fuel cell which is included with the torch. The pinpoint flame of 2400F is great for electronics, jewelry, small plumbing, camping, crafts. The waterproof Piezo ignition system makes it great for outdoor use and for the tool kit. Thaw frozen locks, Hobbies, Do-It-Yourself Repairs, Odd Jobs, Heat Shrink Tubing and connectors as well as a cigar and pipe lighter.