Trizone has triple Zone brush technology Powertip for hard to reach back teeth Manual like stationary bristles thoroughly clean tooth surfaces Wide sweeping bristles for interdental cleaning Two level tufting enable manual like feel with power performance Pulsates 20,000 per minute to break up plaque rotates 8800 times per minute to sweep plaque away Daily clean mode 30 seconds timer Battery charge lasts up to 7 days Includes free travel case