Battery power. 360 sonic power. 2x whitening action (whitens teeth 2 ways). Experience a whiter smile and a healthier whole mouth clean (vs. brushing teeth alone with an ordinary flat-trim toothbrush). with battery included. 2x whitening action: spiral bristles and polishing cups effectively remove surface stains. On/off button activates vibrating bristles with the cleaning power of 20,000 strokes/minutes. Tongue and cheek cleaner. Dentists and hygienists recommended replacing your toothbrush every 3 months. www.colgatetotal.com. Question? USA: 1-800-468-6502. www.colgate.com. Question? Canada: 1-800-268-6757. www.colgate.ca. Save Water: Turning off your water while brushing. Made in China.