SGS-3500 Series Temperature controlled Lead-free Solderign Station 1) Creatively designed by Switching Power Supply Tech., make it as high efficiency 85%, and high power factor Q>0.85. 2) Advanced thermal recovery, it can achieve 120W power output instantly to realize temperature decline not more than 30 centigrade. 3) Low temperature soldering, only 320~350 centigrade to realize quality, efficiently soldering points. 4) Multi-dimension control system, it can identify the size of soldering points itellegently, and provide different power for temperature compensation accordingly. 5) Power saving, the power consumption of a single soldering station is 20~30w/h less than other brands. 6) Long life consumption accessories and low cost. 7) Five soldering mode, with remote controller 8) Auto standby, auto-sleep, auto wake up function 9) CE, ETL approval