Not all flat irons are digital, neither everyone considers digital to be the necessary feature in their flat iron. Overall, having a digital flat iron is beneficial and useful in many ways. Digital flat irons have a display screen that we call a digital screen. This screen operates as soon as you plug in your iron into a socket. The purpose of the digital screen sounds enough ordinary but that is not actually that ordinary. It shows up the temperature you set it on and tells you when your iron is ready to be applied on your hair. Moreover, with the advancement of models, digital hair straighteners also shows on the screen the information/setting related to other features. Digital flat iron allows you to easily set your temperature and other things. It is always irritating twisting the dial and pushing the buttons with no clue on what setting you are putting it. Digital flat irons have screen that allows you to coordinate temperature easily.