The Doro PhoneEasy 100w Duo is a DECT phone with an easy-to-read display and large buttons. You can set the ringtone of this handset to extra loud, making it easier to hear when you receive a call. This home phone has also been specifically designed for use in combination with a hearing aid. These features make the PhoneEasy 100w Duo convenient to use for elderly people. The address book has space for 20 contacts. It allows you to make calls without having to dial the numbers manually.