Specification: Voltage: 220V Power: 100W,150W Plug: US Plug Display: LED Display Weight: about 273g Professional Soldering Tool is great for lead-free soldering semiconductors Iron plated tip and stainless steel construction offer longer steel construction and longer life. Tips: When the soldering iron is plugged in for the first time, there comes out a smoke from the tip end. The smoke stops in a smoke while and a smoke never comes out again. Use soldering stand and other aids to avoid bur fingers. Don\'t pulled the soldering and other aids to avoid burnt fingers. Don\'t file the long life tip face and Don\'t apply too much solder unnecessarily. Please do not touch the soldering tip metal part when the power is turned on. Please turn off the power when resting between usage or finished soldering. Package Included: 1 x Electric Soldering Iron