The soldering iron kit comes with power switch button and temperature adjustment button, so It can be freely and easily to turn on/off or adjust the temperature that you need. Made of precision printing technology and the solder kit can be sintered at high temperature and keep a long time use. If you want to learn how to solder, this soldering iron starter kit is suitable for your need. It's very convenient and compact. Non-slip soft rubber handle for maximum comfort and safe soldering., Manufacturer: SMTYXS