An ideal welding tool for an amateur fancier, school, electronics plant and for maintaining the service, producing with laboratory. It has the precise function of regulating temperature,1degree or 10 degrees per grade can be regulated through the temperature regulating button and also can control the temperature through 200 deg C, 300 deg C and 400 deg C button. There is a deg C/F convert button.When operation breakdown takes place, warnings will appear on the screen and soundZ