Features: Soldering iron used compact mechanical design work easier. Tin wire scaffold can be disassembled, easy to use. Can be operated by one-handed, not easy to make mistakes Simple, easy to complete the welding operation. Rated with a diameter of 0.8 ~ 2.3mm tin line. Lightweight, hand-held comfort. How to Use: 1. Soldering Iron used for the first time, be warm a few minutes, a smoke is a normal phenomenon, will disappear in a few seconds. 2. Will be rated into the tin from the tin line into the mouth, and then pull the trigger direction of the arrow until the tin le-ad solder wire to the nozzle only to be working. 3. Stop the use or replacement of tin wire to be out, as long as the direction of the board-up drive, and remove the tin wire. 4. Hea ter replacement, the first protective cover removed, open the hea ter connection, and then remove the iron Tsui to the core of the heat can be replaced.