" Removes up to 7x more plaque vs. a manual toothbrush Pressure sensor and two intensity settings protect sensitive gums from overbrushing 2 minute SmarTimer with QuadPacer ensure Dentist-recommended brushing time Brush head replacement reminder ensures your brush head is always effective Long battery life with battery light indicator: One charge last for 2 weeks 1 Philips Sonicare 4100 handle, 1 Optimal Plaque Control (C2) brush head, 1 USB charger (wall adaptor not included)"