Encourages longer, better cleaningnMicro-pulsing brush headnLights up; For 2 minutesnSwitch zones with color changenFun brush with high frequency micro-pulsing action. Cleans around and between teeth. 2 minute timed lights change color every 30 seconds, signaling to brush another one of the 4 sections of the mouth. Automatically turns off after 2 minutes, dentist recommended brushing time. Available in 3 fun designs. Data on File.