Dual Heat Heavy Duty Soldering Dual wattage elements - High wattage heats tip in seconds, lower wattage remains rated tip temperature. Effective tip temperature - Tip temperatures of 1000°F or more for effective heavy duty, sustained soldering. Trigger activated - Control is convenient, easy to use, and provides instant response. Built-in work light - The large 1 light fully illuminates the work area. Plug-in tip and element (TE) assemblies - TE assemblies are plug-in units that can be changed. Maximum tip temperature - 1000°F LG400C