· Removes up to 7x more plaque vs. a manual toothbrush· Pressure sensor protects teeth and gums from excess brushing pressure· Always know when to replace your brush head for an effective clean with BrushSync replacement reminder· Quadpacer and Smart timer helps ensure dental professional recommended 2 minute brushing time and encourages brushing in each quadrant of the mouth· Batter charge indicator light let's you know when to recharge; 2 week battery life· Includes: 1 Philips Sonicare 4100 handle, 1 charger, 1 Optimal Plaque Control brush head