The Uniden D3098S LOUD&CLEAR™ DECT 6.0 corded/cordless phones offer sophisticated big button design making the handset easy to grip & dial. Other features are useful for all callers: - Caller ID Announce (audibly hear who is calling) - Large fonts in lighted LCD display - Visual ringer (lighted ringer bar flashes when audio ringer is heard) - Lighted keypad on handset - +30 decibel audio boost available by pressing a button on the handset - Adjustable playback speed to slow down speech patterns in messages from people who speak too quickly - Corded keypad base continues to function even during a power outage.