2-in-1 Heat Set Insert Tool & Soldering Iron Kit: The ultimate tool for electronic repairs and 3D printing enthusiasts, enabling precise jewelry welding, electronic circuit board repair. Installat threaded insert in 3D print kit and plastics; Supports up to 100W & 3 S TinningHandles up to 100W (920V). Runs smoothly even at lower power. If restart occurs, simply switch to Adaptive Power Mode or lower the voltage for safe, stable performance; Portable and LightweightWe provide a storage case for the soldering pen, which will make it easier for you to carry it outside. Its ergonomics are ensures greater results and comfort; 3 Groups Pre-set TempPreset multiple groups of fixed temperature, fast temperature adjustment without time-consuming. The temperature is adjustable within the range of 212-842 °F; Smart & Safe features sleep, automatic power-off, child lock mode and other modes. Customize setting, set soldering iron parameters according to needs to meet daily usage