... also high efficiency, long life and energy saving. Specification:1. Soldering temperature very stably, heating element is also high efficiency and ... grounded structure.4. It cost eletricity 50% less than ordinary soldering iron because working method is energy saving.Feature:Votager: 110 ... cmG.W./N.W.: 13/12KGS20'QTY:28650 pcs Electric Soldering Iron