The internal heating ceramic technology makes the 60w soldering iron heat up very quickly; it not only keeps the temperature stable but also reduces energy consumption The steel tube on the upgraded heat-resistant material and the soldering iron design with four vents to aid in quick cooling. ON-OFF Switch: The ON-OFF switch allows you to easily save energy. Soldering Iron Holder: Portable soldering iron holder with cleaning sponge to hold the soldering iron for safety and convenience.