Product feature and description for best professional hair straighteners: 1.MCH heater 2.Korean Intelligent temperature control technology 3.IRT technology(Instant Reaction technology) 4.Programable Over-Heat Protection 5.Ultra fast heat up & heat recover 6.Dual safety control 7.Universal voltage 8.Digital FND display(120-230 degree centigrade) 9.Sleep mode:Auto go into Idle mode for saving energy without using in 30 Mins 10.Floating plates function for perfect straightening and curling 11.Plate size:38*90MM.