No need for a soldering station, just fill it up with gas and play. 4 in 1 soldering pen and soldering iron tip could meet all your needs for various soldering purposes with tin/silver solder. Very easy to fill with gas through the gas filling hole at the bottom of our soldering pen. After filling the gas, you can use it by pressing the ON/OFF button. Its temperature can be adjusted from 250 to 450 by the temperature adjustment button, so adjust the temperature which you need, very convenient. The aluminum alloy handle offers you comfortable and safe soldering with excellent hand feeling, and the flexible holder also offers your soldering pen a convenient place when 'it is not used. Can be widely used in the repair of mobile devices, computer equipment, small electronic works, capacitors or television accessories, crafts and more again.