The sleek handle of the Pro 2 2000 helps you brush for 2 minutes with the professional timer and it notifies you every 30 seconds to change the area your are brushing. Removes up to 100% more plaque than a standard manual toothbrush. Lithium-Ion battery. Compatible with the following replacement toothbrush heads: Cross Action, 3D White, Sensi Ultrathin, Sensitive Clean, Precision Clean, Floss Action, Tri Zone, Dual Clean, Power Tip, Ortho Care. Requires toothbrush adaptor (not included).