1. 4in1 multifunctional pen: No need for soldering station, just fill it with gas. A soldering pen and 4 in 1 soldering iron tip can meet all your needs of different soldering purposes with solder/silver solder. 2. Easy to use: Cordless butane soldering iron kit. Very easy to fill gas through the gas filling hole in the bottom of the soldering pen. After gas filling, then you can press the on/off button. 3. Adjustable temperature: Its temperature can be adjusted from 250 C to 450 C by the temperature button setting to adjust the temperature you need. 4. Comfortable hand feeling: Aluminium alloy handle provides comfortable and soldering with great hand feeling, and the flexible stand also provides your soldering pen with comfortable placement when not in use.