Magnesium delivers optimal heat for superior styling results Patented Korean Magnesium Technology (Patent Pending) Auto shut-off function in 45 minutes Dual voltage for worldwide usage ion Magnesium Flat Iron is part of the next generation of heat styling. This flat iron heats fast and up to 450 degrees F maintains a stable temperature and leaves hair looking and feeling healthier shiny and softer hair with the combination of Magnesium and Ceramic Tourmaline. Magnesium is a natural element with incredible heat conductivity and recovery. The ion Magnesium Pro Flat Iron recovers heat quickly after each pass through the hair which results in fewer passes less damage and salon-quality results.