Hot Air Gun Multi-function Adjustable Temperature Gas Soldering Iron Cordless Welding Pen <ul class=productAttributesList><li><span>Type:<span><span>Hand Tool Parts<span><li><li><span>Model Number:<span><span>KKQ744<span><li><li><span>Material:<span><span>Aluminium-copper Alloy<span><li><li><span>Usage:<span><span>Home DIY<span><li><li><span>Unit Type:<span><span>piece<span><li><li><span>Package Weight:<span><span>0.09kg (0.20lb.)<span><li><li><span>Package Size:<span><span>20cm x 15cm x 10cm (7.87in x 5.91in x 3.94in)<span><li><ul><div>Description: Cordless device, no electricity or batteries required for operation Multi function melt silver and gold solder, small brazing rods, and many other materials (gold, silver, copper, tin, aluminum) Ideal for light welding, repairs, soldering, jewelry making, hobbies, crafts, model making, etc. Portable pocket sized, lightweight and convenient Onoff switch Adjustable flame Easy to maintain (uses lighter butane) Refillable - Uses widely available Butane Gas Flame Temperature: 1300CeMaterial: Plastic Power: 70W-100W Soldering iron temperature: 210~400Centigrade Flame temperature: 1300Centigrade (2500Fahrenheit) Capacity: 7ml Operating time: Approx.30 minutes Size: Approx.17.8*3cm7.01inch x 1.18 inch Instructions Note: When you use this item, the first right-hand direction, open the air switch, then you can hear the sound of gas flow and smell a little gas taste. At this moment, you can use the lighter to aim at the opening part of the soldering iron head to ignite, and then pay attention to observe that the inside of the opening of the soldering iron head should turn red quickly. The bottom of the soldering iron temperature control selection twist, the actual amount of gas used to regulate the control tip temperature. Adjust the temperature, but also by observing the brightness of the tip opening to determine the temperature level. When the valve is closed there is a certain delay, the flame will not be extinguished immediately, and atte