Power unit 1 channel with soldering iron WEP 70 and safety rest PH7070W solder iron with ergonomic handle and providing toolless tip changeESD safe station iron and heatresistant silicon cable for safe handlingUsing ET soldering tipsStandby mode and auto setback conserves energy protects equipmentPasswordprotected to preserve settingsChange hot tips out by hand by twisting the plastic knurled nut on the soldering pencil without an additional tool. Weller1010