Weller WX Solder System Weller WX Solder System from Apex Tool Group features a glass touch screen, intuitive user interface, energy-saving sleep mode, and multi-language display. The glass capacitive touch screen has a patented antistatic, chemical- and temperature-resistant coating. The multi-language menu is accessed via a turn and click control wheel with a finger guide and enter key. WX2 is a dual digital unit with a 120W rating when two irons are used simultaneously, and a 200W rating for single-iron use. A multi-purpose USB port facilitates easy firmware updates, parameter settings, monitoring, and personalization.