Temperature Adjustable: soldering iron has 3 temperature choices, the indicator light is green, the temperature is about 620-660; The indicator light is blue, the temperature range is about 700-750; The red indicator light is the highest temperature, about 800-840 Easy to Operate: Soldering iron kit just long for 5 seconds to turn on/off, short 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-slip Replaceable Soldering Heads: Soldering iron is equipped with 3 kinds of soldering iron heads: conical head, flat round head, horseshoe head, 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. NOTE:Soldering are not suitable for large projects. Please note:There is a slight color difference or discrepancy in kind, please don't mind, thank you! Colour:Black Material:Metal Package Contents: 1 * main unit 3 * soldering iron tips 1 * soldering iron holder 1 * 1 * usb cable Only 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.