GE, Big Button Corded Telephone, Desktop, Single Line Operation, Up To 23DB Alification, Alified Ringer, Up To 90DB, 3 One Touch Emergency Speed Dial Buttons, Base Speakerphone, Easy Slide Speakerphone Volume, Redial, Pause, Flash, Enhanced Visual Ringer, Extra Large, Ear Seal, Hearing AID Compatible Handset & Ringer Volume Control Wall Mountable.