This Review Title is Worked great, then the batteries cost more than the toothbrush. and the content is: Worked great for 10 months, than the batteries had to be changed every two weeks. Also the batteries would leak every now and then. But when it worked, it did work well. The automatic timer is a great feature..There are other information for this review, one is This reviewer did not purchase it and the other is 0 people think this review is helpful.