Solidly-Built Powerful Soldering Station: the YIHUA 939D+ Soldering System is made for those who solder regularly. It’s so reliable that even industrial-level factories use this soldering station for over 10 hours every day for manufacturing. This station comes with high power performance, flexible temperature from 392°F to 896°F, faster heating up, enhanced temperature stabilization and enhanced performance. Get your soldering projects DONE with this capable & reliable 939D+ system! Safety and Precision Matter: the professional-grade built-in transformer outputs contact-safe voltage without sacrificing its high power or performance. The system’s exclusive intelligence temperature control program monitors, and compensates in 20 milliseconds to keep the temp. stabilized and give you a consistent soldering experience. This is ideal for professional soldering, industrial & manufacturing, precision electronics, school labs, household & hobby uses, electronic DIYs & repair, etc. Metallic Build & Heat-Resistant Design: the Yihua 939D+’s control panel is built with Brushed Aluminum so that you won’t leave any burnt marks by accident. The accompanying stand-alone iron stand is also solid metal-alloy. You can put it anywhere and organize your workspace in the way you like. A Suite of Intelligent Features and Intuitive Usage: Clear Digital °F or °C Display, Automatic Detection to detect the handle’s status, Smart Temperature Control, Temperature Calibration Support. It’s super EASY to use. Switch between °F and °C Reading at one easy push of the button. Effortlessly turn the adjust knob to set the temperature precisely. And you are ready to go. All come together to elevate your soldering experience as it matters. Choose YIHUA with Confidence – Enjoy our 12-month US- exclusive manufacturer technical coverage and 24/7 professional assistance on Amazon. Note: This model is designed to operate on 110-127V with a US-standard power plug.