Announces and displays the caller's name and telephone number when the phone rings. Provides true convenience for busy families who want to know who's calling before interrupting what they are doing to answer the phone. Senior citizens and children at home can avoid unwanted calls, but still know when it's OK to answer the phone. Record customizes announcements to identify up to 50 frequent callers. Leave personalized outgoing messages for specific callers. Announces "Number Unknown" and "Number Blocked". Features include announcement of incoming and call waiting calls, audible call review with date/time announcement, English and Spanish display and announcements, and adjustable volume control. Superior sound quality makes it easy to recognize who's calling. Batteries not required. Includes product guide, telephone cord, and power adapter.