100% Ceramic tourmaline heat plate, heat more evenlyWhen the product reaches the maximum temperature,The red tips surface is only 50 degrees Celsius, no worry. to be scald.The Anion injection holes on the surface of brush will realease much ozone to protect you hair from damage when it is working.Enhancing the most advanced ceramic heater(PTC), quick heat up and constant heat .Dual voltage for worldwide use.Note:This is a comb with straight hair effect, daily use. If you need a straightener, you can see the effect immediately. Many choices in the store.Specification:Power: 29wPlate: CeramicHeater: PTCMax temperature: 230C/450FVoltage: 110v-230V,EU, US(add US adapter ), UK (add UK adapter ), AU(add AU adapter)Product size: 27.5cm*7cm*4cmNet Weight: 400gLCD digital controlTemperature Control: 80~230 DegreesCeramic coating platesSwivel power cordPackage including:· 1 x Hair Straightener Brush· 1 x instruction(in Enlish)Please allow 1-5mm differences due to manual measurement.