ITEM NAME:4.5V 8W Battery Powered Electric Soldering Iron Welding Solder Heat Pencil A#S Product Description Description: Specifications: Material: ABS shell Power: 8W Voltage: DC 4.5V Temperature range: 360-420℃ Power supply: 3*1.5V AA Batteries(Not included) Size: 178 * 37 * 20mm/7.01*1.46*0.79" Weight: 33g How to welding: 1. Remove dirt, rust or paint from the parts to be welded. 2. Heat the parts with a soldering iron. 3. Apply the rosin base solder to the parts and melt it with a soldering iron. Note: When using non-rosin base solder, be sure to apply solder paste to the parts before applying solder. 4.Wait for solder to cool and harden before moving welded parts. Warning: 1. After sliding the switch to the "OFF" position, be sure to turn OFF the soldering iron after use. 2. When storing, put the protective cover on the tip so that the cover will fix the sliding switch in the "OFF" position. 3. Do not touch the tip when hot. 4. Don't immerse it in water. 5. When using the soldering iron for the first time,When the heating element dries, it may smoke slightly. This is normal and should only last about 10 minutes. 6. Do not store special plated tips. Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow slight measuring deviation due to manual measurement. Included: 1 X Battery Soldering Iron 1 X Solder Wire 1 X Nut Cap.When using non-rosin base solder, be sure to apply solder paste to the parts before applying solder. Heat the parts with a soldering iron. After sliding the switch to the "OFF" position, be sure to turn OFF the soldering iron after use.