1. This product is externally heated. Preheating the heating wire for 3-5 minutes use will smoke, which is a normal phenomenon. Does not appear after warming up. 2. Electric shock hazard. To continuous protection against electric shock, disconnect power when not in use. 3. The hot air , soldering iron, and desoldering iron should be placed on the stand when not in use. application: You can use this soldering iron to heat or iron surfaces. Key applications include plastic melting, crack repair, heat shrinking, drying and other applications involving high temperature heating. To replace the tip: Remove the locking screw that secures the tip Remove the attached tip Install the new tip Tighten the locking screws (insert , then ). Maintenance and precautions: 1. When operating, do not press the soldering iron excessively, or the soldering iron against objects. 2. Periodically remove and clean the oxide layer on the tip of the soldering iron. 3. To keep the tip clean, use a wire brush to clean the plastic while it cools. Plug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on. Input voltage: 110v Power: 100w Dimensions: Length: 230mm/9.06 inches Package Included: 1 x 100w soldering iron 2 x Solid Brass Soldering Iron Tips 1 x Tool Holder 1 x Metal Brush 1 x 500 grit sandpaper 1 x Hole Repair Mesh 20 x PP white electrodes 20 x PP black electrodes Colour:As shown Material:Metal Package Contents: 1 set x plastic welding 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.