The brush uses MCH technology, it takes approximately 30 seconds for the brush to reach temperature, and there are four temperature options that range up to 425°. There’s an automatic shut-off safety feature as you’ll find on most straighteners. As an added benefit, the InStyler can also be used to curl hair or flip ends, just by wrapping the hair around the barrel and letting it rotate for approximately five seconds.
I read lots of different reviews about these straighteners and a lot said these aren't genuine. They are definitely ghds just professional ones which means they are lighter. They are exactly the same ones at my hair dressers. I'm happy.