The 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 indicator light 3 is the highest temperature, about 800℉-840℉. The heating time is about 10 seconds, which improves the efficiency of the . EASY TO USE - Soldering iron kit can be turned on/off for only 5 seconds. You can access the temperature selection by briefly pressing. There is layer of insulation surface to prevent the hand from burning during operation. TPE handle is comfortable and non-slip. Cross of : The built-in 800mAh battery of the soldered kit, remove the cables and control more freely and conveniently. Equipped with the Type-C charging connector, you can use all the electricity for 30 minutes in 1 gear, 20 minutes in 2, for about 15 minutes in 3 and the total power takes about 2 hours. Portable and Safe: The welding torch is small and easy to carry. 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 life and safety. Package: 1 x soldering iron rope, 3 x soldering iron heads, 1 x base, 1 x soldered silk tin, 1 x type C refill. Note: Welding wells is not suitable for size projects., Manufacturer: Bumdenuu