The CHI LAVA 4D™ Hairstyling Iron features the power of CHI LAVA minerals and ceramic to create an effortless glide, providing less damage and overall healthier hair. Lava minerals offer gentle, consistent heat, which allows styling at lower temperatures. CHI LAVA 4D™ Technology are two perfectly calibrated, Lava-coated-floating inner plates which deliver precise tension that allow you to easily smooth the hair and add brilliant shine in one pass. 2 additional Lava plates are continued onto the outer shell of the iron to prevent resistance and keep perfectly-smooth curls intact. The ultimate professional tool to achieve straight, curly, waved and refined volume. Lava-mineral-coated plates produce ions every time the plate is heated, resulting in healthier, stronger hair, reduced frizz and amazing shine 4D Plate technology combines 4 precision calibrated plates for dimensional styling 2 Lava-mineral-coated, extended-length 4 ¼” inner floating plates allow for one-pass smoothing 2 Lava-mineral-coated outer plates allow the hair to glide smoothly when creating curls Preset temperature settings 450F-430F-410F-390F-370F Cool-tip finger grips for an easy and safe grip Perfectly aligned plates so there is no gap Raised outer edge on plates allows users to get close to scalp 11 ft. (3.35M) cord 1 hour auto shut-off Dual voltage