Built in fuel filter for consistent fuel ignition. Adjustable temperatures up to 1004 degrees F. Built-in window indicates fuel level. Dual function soldering iron and heat tool. Sturdy metal tank that holds enough gas for 4.5 hours of operation at #3 setting UL and GS/TUV listed for user safety. Includes solder tip, heat tip, shrink attachment and protective cap. Use to pinpoint heat, shrink heat shrink tubing, solder and desolder, strip insulation, terminate specialty connectors, and more.