Helps whiten teeth from day 1\nPressure sensor and two intensity settings protect sensitive gums from overbrushing\n2 minute SmarTimer with QuadPacer ensure Dentist-recommended brushing time. Brush head replacement reminder ensures your brush head is always effective\nLong battery life with battery light indicator: One charge last for 2 weeks\nIncludes 1 Philips Sonicare 4900 handle, 1 DiamondClean (W) brush head, 1 travel case, 1 charger