4-in-1 Gas Soldering Iron Tool (Bevel + Point) Color: Translucent Green Material: main body: plastic; soldering iron tip: metal. Weight: about 69 grams Filling capacity: 8ML Temperature: Flame temperature 1300℃ (adjustable) Soldering iron temperature 450℃ (adjustable) Use fuel: pure butane GAS Packaging: card packaging Package Included: 1* soldering iron pen, 4* tips Filling gas 1️⃣ Fill with gas, and confirm that the switch is turned OFF, and then refill. 2️⃣ Introduce the gas tank into the air hole and press down to inflate. 3️⃣ It takes about 10 seconds to complete the filling of the gas, wait for a few minutes, and then use it after the gas is stable. 4️⃣ If there is a hissing sound at the tail after the gas is injected, press the pen tip into the gas port to eliminate it. Operating procedure 1. Replace the soldering iron tip. 2. Push the switch to the ON position and hear a \"hissing\" sound. 3. Push the electronic switch to ignite. 4. After ignition, burn for 3 minutes. When the fire is extinguished, the tip of the soldering iron will continue to heat. 5. Adjust the flame size. 6. The temperature of this product is as high as 1300 degrees (the temperature of the soldering iron is 450 degrees), please pay attention to safety when using it, and turn off the switch to the OFF position after use. 7. When using a gas soldering iron, please pay special attention to wait until the flame is completely eliminated and the object in the soldering iron turns red, so as to prolong the life of the soldering iron tip.