This system eliminates the frantic search for your ringing cordless phone. The handset and base announce the name of the caller, so you don't have to scramble for a handset to see who's calling. Digitally record up to 22 minutes of messages. High-Contrast black text on the extra-large screen makes it easy to read incoming phone numbers and call history records. Choose from four preset audio profiles, or use the equalizer to personalize bass, treble, and natural increase participation by allowing both ends to speak and be heard at the same time. In the event of an outage, the system uses power generated from the telephone line to place and receive calls on the corded handsetno batteries necessary.