Philips Sonicare ProtectiveClean 5100 uses unique sonic technology which drives fluid deep between teeth along with our specially designed brush heads to gently but effectively remove plaque in-between teeth and along the gum line. Simply brush with Philips Sonicare ProtectiveClean 5100 for 2 minutes twice a day, for increased plaque removal for healthier teeth and gums in just 2 short weeks vs a manual toothbrush. The toothbrush comes with Optimal White brush heads to help you achieve whiter teeth in just 1 week vs a manual toothbrush. The in-built pressure sensor alerts you when you are brushing too hard to ensure that you do not damage your teeth and gums. 3 Brushing modes: Clean, White and Gum Care. Includes 2x Optimal White smart brush head and travel case.