Features: Sleep automatically after 15 minutes to protect the life of the soldering iron head. Temperature reaches 480°C in 1 minute. Intelligent control built-in PID system. 180-480°C (356-896°F) range to adjust temperature by button. Operate easily. Use LED display design. 4 wire PTC thermostatic ceramic soldering iron core. Dual temperature mode display °C and °F. Temperature compensation 99°C (210°F).