Uv sanitizer kills 99% of bacteria & viruses (h.A., hsv-1. For use with diamond clean (w), sensitive (s), premium plaque control (C3), simply Clean (C1) and intercare (I)) Specially engineered Philips UV Sanitizing technology helps kill germs on brush heads and fits all snap-on Philips Sonicare brush heads Excluding Sonicare for kids brush heads Removes up to 10X more plaque vs. A manual toothbrush Personalized settings -- 4 modes: clean, white+, gum health and deep-cleanse+ and 3 intensities Progress report gives you the guidance you need to improve and maintain healthy brushing habits