Oral-B PC3000 Toothbrush, Professional Care... With 40,000 pulsations and 8,800 oscillations per minute, this professional toothbrush gives you the deep clean your gums and teeth need. A two-minute timer with 30 second intervals ensures that every portion of your mouth will get its fair share of brushing, and 3 customized brushing modes make this toothbrush a fit for every smile. Has a pressure sensor that stops pulsations if you are brushing too hard; 3 brushing modes: Daily clean, sensitive and polish; Bristles fade halfway after 3 months of use so you know to replace brush head; Includes precision clean brush head and Pro White brush head with polishing cup; Rechargeable.