Uses Weller closed loop method of controlling maximum tip temperature. Portable line voltage iron - no base station required. Stainless steel modular plug-in heater, greater efficiency and versatility. Temperature is controlled by tip-600°F, 700°F and 800°F tips available. Nominal heat-up time with 700°F tip is 110 seconds. Fume extraction adapter kit available - Cat. No. AKFE11. Uses CT series tips. Heating element type: Nichrome wound, plug in. UL and cUL listed.