【Ceramic heating core】 internal heat type soldering iron, heating fast, high efficiency, low energy consumption 【Digital Display Intelligent Chip】 thickened double-sided circuit board, heating to the specified temperature automatically stop heating, accurate control of current and voltage frequency, so as to achieve constant temperature and constant pressure 【Quick button, flexible temperature control】 Long press the blue key to enter the setting mode, and then press the red key to switch ° C / ° F 【Temperature adjustable】 The temperature of this soldering iron can be adjusted in the range of 180 ° C ~500 ° C, so it can adjust the temperature more accurately and effectively 【Widely application】 Soldering tools are suitable for circuit board welding, home appliance repair, computer repair, auto parts repair, etc.