1、The product have portable pocket size, light weight, compact, and easy to carry 2、This welding tool support gas inflation, convenient for external engineering use. Can be converted into soldering, soldering iron and other functions by changing different joints 3、Support quick temperature adjustment, the maximum flame temperature is 1300℃, and the temperature of the soldering iron tip is between 210‑ 400℃, which is equivalent to 25W‑70W, can meet the needs of various industries 4、Soldering iron pen is easy to maintain and replenish, using widely available butane gas. Filling butane once, can be used continuously for 30 minutes, with welding head, hot air, open flame three methods 5、This is a DIY comfortable hand tools, can be welded and repaired, use lighter gas as energy, no voltage limit, no traditional soldering iron wire ties, can be used anytime, anywhere 6、Using flammable asbestos soldering iron tip, possess strong ignition retention, no blockage 1 x Gas Soldering Iron1 x Plastic Bottle1 x Black Washer Item Type: Gas Soldering IronMaterial: Plastic + aluminum alloy + asbestosModel: HT-B02Color: BlueTemperature (soldering iron tip): 210～400℃Flame Temperature: 1300℃ (2500℉)Capacity: 7mlUse Gas: Gas (same as the gas used in the lighter) (gas not include)Operating Time: 30 Minutes (intermediate setting)Application Scope: Suitable for field survival, professional experiments, home hardware repair, and also for light welding or welding. Suitable for automobile, electronics, circuit board repair, water and electricity, jewelry, glasses, dentist, electronics, electrician, motor wiring, art, handicrafts, model manufacturing, kitchen, bathroom equipment repair tools, various household appliances, air conditioners, refrigerators, car water tanks, communications and other welding. Can be used for the quenching, annealing and bending of small metal objects, and the welding of small metals and copper tubes.