This Oral-B electric toothbrush is powered by iO Technology that removes up to 100% more plaque than a manual toothbrush and cleans effectively along the gumline. And its automatic gum pressure sensor slows down the brushing speed and shows you a red light if you brush too hard.Good to know- The two-minute timer alerts you every 30 seconds so you know when to move to a different area- There are three cleaning modes, including sensitive, whitening and daily clean- The long battery life keeps the toothbrush running longer between charges- Includes a charging travel case so you can take it with you anywhere