Fangrui Product Details There Are 3 Temperature Options, Indicator Light Is 1, The Temperature Is About 620- 660 Degrees Fahrenheit; Indicator Light Is 2, The Temperature Range Is About 700- 750 3 Indicator Lights Are The Highest Temperature, About 800- 840 The Heating Time Is About 10 Seconds, Which Improves Work Efficiency. The Soldering Iron Kit Only Needs To Be Turned On/off By Long Pressing For 5 Seconds, And Short Pressing To Enter The Temperature Selection. There Is A Heat Insulation Layer On The Surface To Prevent The Iron From Scalding Your Hands During Operation, And The Tpe Handle Is Comfortable And Non-slip. With A Small And Compact Package, This Soldering Gun Is Very Portable And Can Be Carried In A Bag Or Stored On A Shelf. In Addition, The Soldering Iron Will Be Powered Off After 10 Minutes Of Operation To Extend Its Service Life And Safety Of Use. The Soldering Kit Has A Built-in 800 Mah Battery, Getting Rid Of Wires, And The Control Is Freer And More Convenient. Equipped With Type-c Charging Conne