HAC (hearing aid compatible) Caller ID memory: 10 Visual ring indicator Boosted ringer Speakerphone Loud and clear sound One touch memories: 2 Enjoy an amplified cordless phone that features large buttons for easy operation, very loud sound and an easy to read display and keypad. Performance ECO mode Yes Silent mode Yes GAP compatible Yes Microphone sensitivity 30 dB Number of handset volume levels 5 Number of ringer volume levels 5 Number of melodies 10 Maximum outdoor range 300 m Maximum indoor range 50 m Handset type Wireless handset Answering machine No Type DECT telephone Design Keypad lock Yes Big buttons Yes Elderly phone Yes Product colour White Mounting type Desk Phone features Microphone mute Yes Multi handset capability 5 Phonebook capacity 20 entries Call management Call timer Yes Redial list capacity 5 Redialing Yes Caller ID Yes Management features Clock with calendar Yes Alarm clock Yes Navigation key Yes Indication Battery capacity indicator Yes Display Backlight displa