[1] Micro Chip Temperature Control and LCD Temperature Display. [2] 450 Fahrenheit Tourmaline hair flat iron work well with the Brazilian Keratin treatments. temperature adjustable from 122 to 450 degree F( 50 230 celsius) [3] New heating material --MCH heating up top temperature in 25 seconds. [4] Ionic generator to provide hair with extra moist and shine. [5] Far-infrared rays heat protects hair with negative ions through dispensing holes. [6] Dual voltage adapt to both 110V-240V, you can use it all over the world. [7] Digital timer with automatic cut-off, Automatic safety cut-off switch ensures 100% safety to users