Feel the difference of a gentle clean of a ProtectiveClean 4500 with our Pressure Sensor while improving your gum health up to 100% more vs. a manual toothbrush. Whether you want to focus on removing plaque or on getting your gums healthy and keeping them that way, this brush has a mode for you: Clean mode delivers superior cleaning, while Gum Care mode adds an extra minute of reduced-power brushing, so you can gently massage your gums. Our BrushSync technology tracks how long you have been using your brush head and how hard you have been brushing. It will beep to inform you when to replace your brush head. The easy-start feature slowly increases the power of the brush as you get used to the Sonicare experience and the smartimer encourages a full 2 minutes brushing time as recommended by your dental professional. The battery charge indicator light lets you know when it is time recharge; 2 week battery life. The kit includes 1 Philips Sonicare ProtectiveClean 4500 electric toothbrush, 1 Optimal Gum Care brush head and 1 charger.