The Philips Sonicare DiamondClean helps you clean your way to whiter teeth in one week. Not only is the DiamondClean designed with style in mind, but it delivers on performance as its clinically proven to remove up to 100 per cent more plaque even in hard to reach areas. Its designed to deliver superior results for a healthy smile. The range of five cleaning modes provides optimal cleaning between teeth and along the gum line. Daily use of the white mode can help you achieve teeth that are noticeably whiter in just one week. Model number: HX9391/92. Timer for better brushing. Quadpacer timer encourages attentive brushing of each quadrant of the mouth. 5 cleaning modes: sensitive, whitening, deep clean. 1 brush head: adaptiveclean brush head. 1 speed setting. 62000 pulsations per minute. Sonic technology for naturally whiter teeth. Ergonomic handle - to make the brush more comfortable to hold and use. Recharge indicator light. Travel case included for when youre on-the-go. Rechargeable: 24 hours for full charge. 84 minutes usage time, based on 2 minutes twice a day. 2-pin adaptor. General information: Li-Ion . Manufacturers 2 year guarantee.