hot and awkward [SEP] the up down buttons are in a dangerous place where your fingers are so i kept hitting the up button and the temperature climbs fast the entire brush is big heavy and awkward to useyou have to push both the up and down button at the same time to get the temp to read in fahrenheit for americans you have to do it each time you use it tooif you have thick strong hair and it can handle high heat you may like this it does heat up quickly i have tiny frail thin hair so it was dangerous for me