Easy to maintain and Refillable It uses widely available 8ml capacity Cordless soldering iron, portable pocket size, lightweight and You can take it with you to any scene you need Suitable for, versatile， various repaired usage of electronics and chipboards, welding, jewelry About 10 seconds, filling can be completed Wait for few minutes until stabilizes before use.If there is a hissing sound from the tail after, press the pen tip slightly into the air outlet to it.Replace with a soldering iron tipLighting the: Push the button to the ON-position and hear a " hiss " sound; Push the electronic button to start the fire.Burn for 3minutes After the is extinguished, the soldering iron head will continue to heat.Adjust the size of Guide tanks into the air inlet and inflate it by pressing down, Manufacturer: carotoe