1. Preset 4 groups of standby temperatures to realize lifting and ready to use. 2. Software program control, instant hang up. 3. Powerful function, with 3 groups of preset memory temperature 4. C / F conversion, temperature calibration, temperature locking, buzzer switch. 5. Equipped with heating core / host overload protection, the heating core will not burn the host in case of short circuit. 6. T12 heating core is used to achieve the effect of original welding table. 7. The soldering iron handle is equipped with a breathing lamp to follow the power used to display the working state.