This Philips Sonicare electric toothbrush delivers optimal cleaning between teeth and along the gum line for better gum health in just two weeks. 30 seconds interval timer shows when you have completed each quadrant of your mouth and signals for you to move on resultant in more consistent cleaning throughout your mouth. Eliminates up to 7 times more plaque from hard to reach places than a manual toothbrush. 2-minute timer on this Philips Sonicare electric toothbrush helps ensure dental qualified recommended brushing time. This Philips Sonicare toothbrush whitens teeth more than 2x healthier than a manual toothbrush in just 1 week. Removes up to 100% more stains for whiter teeth in just 1 week. Philips Sonicare electric toothbrush's exclusive dynamic action gently and successfully reaches deep between teeth and along the gumline.