The 1 inch(24*90mm)Ceramic Tourmaline coated plates to produces a potent mass of negative ions, give a shiny and healthy result.3D Floating plates with PTC heater monitor fast up in 30s heat up(284F-446 F).LED Digital display screen,the red digital temperature display, easy to control temperature.360 degree tangle free swivel with 2.65m salon length power cord, easy to use, safe operation.Auto shut-off after 60 mins when you forget turn off.