The little details are often the most important details. This is especially true when it comes to personal care, and that"s why Emjoi manufactures each of their high-end, personal care products to be as trouble-free and enjoyable as possible. Harnessing the latest technologies in personal grooming, Emjoi has made it their goal to enhance personal appearance as well as the quality of life by providing products that assist in adding pleasure and beauty to everything you do. * Get a smile up to 4 times whiter in less than an hour * Simple 2-step process * No more uncomfortable trays or gooey strips * Leave solution on for only 2 minutes * Battery operated: 3 AA batteries required * Includes a 1 year manufacturer"s warranty * Dimensions: 7.2L x 6W x 1.6H inches