Porcelain Ceramic Straightening Iron - Features1'' Porcelain Ceramic plate technologyRheostat temperature dial-up to 450 FLimited 3 year manufacturer warrantyCeramic heater, instant heat and recoveryBenefitsLonger plates straighten more hair fasterPorcelain Ceramic technology distributes even heat across the plates and generates far-infrared heat, a more efficient heating method which is gentler to hair - Porcelain Ceramic Straightening Iron