This Philips Sonicare electric toothbrush provides optimal cleaning between teeth and along the gum line for improved gum health in just two weeks. 30 seconds interval timer indicates when you have completed each quadrant of your mouth and signals for you to move on resulting in more consistent cleaning throughout your mouth. Removes 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 professional recommended brushing time. This Philips Sonicare toothbrush whitens teeth more than 2x better 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 unique dynamic action gently and effectively reaches deep between teeth and along the gumline.