[Four speeds adjustable]Soldering iron kit adjustable temperature and pressure, four speeds. For four different working modes, the burner is equipped with 4 different soldering iron tips which can meet your different soldering needs. [Rechargeable Use]The battery soldering iron comes with a rechargeable lithium battery with two charging ports for double charging. It can also be used while charging. Very nice. [8 seconds rapid heating]Soldering iron can quickly heat up in 8 seconds, which shortens the waiting time for heating and improves welding efficiency. < p>[Easy to use] The battery soldering iron is more convenient to use, will not be disturbed by the cable, and the cover design makes it safer to use without worrying about burns from residual heat. And its light weight and small size make it the perfect choice for beginners, professional users and DIY enthusiasts. [Widely used and portable] The soldering iron is very widely used and can be used in soldering iron tools, DIY, electrical appliances, electrical and electronic repairs, printed circuits.