Includes 4 Brush Heads with Non-Slip Rubber Coating Timer: with 30 Second Interval Grip Zones: with Non-Slip Rubber Coating Includes: 4 Brush Heads Properties Effective Cleaning of Teeth and Gums Thorough Plaque Removal thanks to High Speed Oscillation System 2 Minute timer with 3 0 second interval for even cleaning of the 4 jaw quadrants. Grip zone with non-slip rubber coating. 1 practical brush head protective cap - ideal for travel. Includes 4 colour-coded brush heads with high-quality, rounded bristles made of DuPont Tynex nylon filaments* and green indicator bristles (indicate when changing necessary). Compatible with Oral-B and Nevadent brush heads.