- 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