Whitens teeth in just 1 week 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 3 Intensity settings for maximum comfort Battery charge indicator light lets you know when to recharge; 2 week battery life 1 Philips Sonicare 6100 handle, 1 charger, 1 DiamondClean brush head, 1 travel case