I was pleasantly suprised at how nice this works to straighten my hair. It has adjustable tempeture setting and heats as high as 450 degrees. I use it at 400 and it straightens my hair nicely. These are the following benefits of the Ionic Brush;12 heat settings provide you with total control for all your hair styling needs. Provides even heating that will not damage hair, reduces Frizz & Static. 30-minute automatic safety shut-off. Temperature controls up to 450 degrees Professional length 5ft (1.5 m) cord. Ceramic heats up within only 30-40 seconds thus saving time and energy.