Ever wonder if you’re spending enough time brushing? Well, this clever tool comes with a built-in 2-minute timer so you know you’ve given your teeth enough TLC. And what about if you’re brushing too hard or are in danger of irritating your mouth? The pressure sensor stops the pulsation movement automatically. This kit includes one Oral B professional handle, one crossaction brush head and a charger. As for replacement toothbrush heads, it fits the CrossAction, 3D White, Sensitive Clean, Precision Clean, FlossAction, Deep Sweep, Ortho and Dual Clean.