ST-2065D Digital Soldering Iron ● 65W soldering iron with LCD display. ● Automatic sleep after 10 minutes inactivity. ● Automatic shut down after 20 minutes inactivity. ● Support ℃ and ℉ switchable. ● Scientific ergonomic handle, comfortable to hold. ● Auto sleep function, fault alarm function. ● Build in PID system, quick button to adjust the temperature, easy to operate. ● Heating elements and sensors using PTC material, rapid heating, accurate temperature control. Features: Ι Start up or shut down easily Charge on the product, short press power button to start up or shut down. Ι Temperature unit switching ℃/℉ Ι 9 groups shortcut temperature adjustment In working status, press "+" "-" to switch temperature group. 9 groups default temperature are: 250℃/482℉; 300℃/572℉; 325℃/617℉; 350℃/662℉; 375℃/707℉; 400℃/752℉; 425℃/797℉; 450℃/842℉; 480℃/896℉. Ι Easy to adjust setting mode Normal working mode > Quick temperature adjustment> Temperature compensation adjustment> Temperature unit switching> Auto-sleep function setting> Back to normal working mode Ι Temperature compensation adjustment range is ±50℃/±90℉ Ι Auto-sleep function In the temperature unit switching state, short press the power button to enter the sleep setting, 1 means ON, 0 means OFF. Ι Heating indication When the product is heated. The power light flashes, the brightness changes according to the power level, and the selected light is normally on. Ι Fault alarm When "H-E" displayed on the screen, there is no temperature, which indicates that the heating element failed. When "S-E"displayed on the screen, there is a fault in sensor, which signifies that there is something wrong in sensor or the related circuit of the sensor.