1. To meet the market needs of different regions, the addition of Fahrenheit / Celsius temperature conversion function, the user can choose according to customary interest.2.10 minutes fixed sleep function, up to 10 minutes without the use of iron, automatically enter sleep mode, energy and prolong tip life. 3.Parallel electric tweezers design, very convenient for small electronic components,chip, chip removal and installation of welded components. When you need to remove the parallel electric tweezers can be used directly on the welding points across the resistor components for heating.