Philips Sonicare Protective Clean 5100 With UV Sanitizer Sonic Electric Toothbrush with Philips Sonicare's advanced sonic technology pulses water between teeth, and its brush strokes break up plaque and sweep it away for an exceptional daily clean. The smart handle and smart brush head pair is a powerful combination that enables Smart replacement reminders thanks to the microchip-enabled technology that detects and synchronizes the smart brush head with the smart handle. The brush Whitens teeth in just one week by clicking on the W2 Optimal White brush head to remove surface stains and reveal a whiter smile. With its densely packed central stain-removal bristles, it's clinically proven to whiten teeth in just one week. QuadPacer lets you know when you've spent just the right amount of time cleaning each part of your mouth, while our Smartimer tells you when you've brushed for the recommended two minutes.