Temperature can be adjusted: there are 3 temperature options for the soldering iron, the indicator light is 1, and the temperature is about 620 -660 ; the indicator light is 2, the temperature range is about 700 -750 ; the 3 indicator light is the highest temperature, about 800 -840 . Heating time is about 10 seconds, which improves work efficiency. Easy to operate: The soldering iron kit can be turned on/off for only 5 seconds long. You can enter the temperature selection by short pressing. There is a layer of insulation layer on the to prevent the iron from scalding your hand during the operation. The TPE handle is comfortable and anti -slip. Portable and safe: The welded torch is small and easy to carry. It can be packed in a bag or placed on the shelf. In addition, after 10 minutes of operation, the soldering iron will be disconnected to extend its service life and safety. Crossing iron: The built -in 800mAh battery of the welded kit, rid of the wires, controlling more free and convenient. Equipped with the Type-C charging connector, full electricity can be used for 30 minutes in 1 gear, 20 minutes in 2 gears, for about 15 minutes in 3 gears, and the full power takes about 2 hours. Package: 1 rope -free soldering iron, 3 soldering iron heads, 1 base, 1 welded silk tin, 1 C -type charging cable. Note: Well -free welding is not suitable for large projects. Colour:Gray Material:Metal Package Contents: 1 x soldering iron kit 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.