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.