How to use: Press 5 times to turn on the power Or press and hold for 5 seconds to start, select the green-blue-red indicator light (low temperature-medium temperature-high temperature) in turn, and then press 5 times to turn offEasy to Operate: Soldering iron kit just long press for 5 seconds to turn on/off, short press to enter temperature selection. There is a layer of heat insulation on the to prevent the iron from burning your hands during operation, and the TPE handle is comfortable and non-slipReplaceable Soldering Heads: Soldering iron is equipped with 3 kinds of soldering iron heads: conical , flat round , horseshoe , to meet your different working needs, the heating time is about 10 seconds, which improves the working efficiency.Cordless Soldering Iron: Soldering kit built-in battery, the wire, the control is more free and convenient. Equipped with TYPE-C charging connector, it can be used continuously for about 30 minutes after a full charge, and a full charge takes about 2-3 hours.Temperature range: 330-450 degreesPower: 8-10W: 10 minutesPlease note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Colour:GrayMaterial:MetalPackage Contents:1x soldering iron1x soldering iron 1x Stand1x tin wire (color random,don't accept the specified color)1x usb cable1x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.