The fotodialer is a telephone accessory used with your current (analog) telephone in your home. It is a rolledex with pictures to assist in making telephone calls. The product is targeted for the elderly, disabled or adolescent who may have trouble using the telelphone. There are four 2" X 3" wallet sized pictures per page and six pages for a total of 24 pictures in the unit. The pictures can be programmed with a telephone number in seconds. The unit is battery powered and will not lose any programmed numbers if the battery is removed.