- Simple corded operation - The telephone works without AC Power. For the Caller ID to function four AA batteries (not included) are necessary. - Line power mode - Display dial - Mute - Last number redial - Flash - Receiver volume control - Ringer volume control - Table- and wall-mountable - Hearing aid compatible - English/Spanish/French setup menu - Clearspeak� dial-in-base speakerphone - Speakerphone volume control - Line power speakerphone - Caller ID/call waiting - Extra-large tilt display for easy viewing - Extra-large buttons - Visual ringing indicator - Extra loud ringer