8718696419656 is the product number for the Philips Sonicare DiamondClean Sonic Electric Toothbrush, a rechargeable electric toothbrush designed to provide powerful cleaning for improved gum health and whitening. It features a timer, a Smartimer that encourages brushing for the dentist-recommended two minutes and a quandrant-based interval timer. The toothbrush also has five brushing modes and a diamond-shaped brush head.