The Panasonic KX-TG6645B is a single-line digital cordless answering system that includes a base unit with phone capabilities and five handsets. Operating at 1.9 GHz, this Panasonic cordless phone offers 60 channels of DECT-6.0 compliant performance without conflicting with more common 2.4 GHz wireless devices. The charged handsets provide battery backup to keep this Panasonic cordless phone connected during a power failure. Other features include an automatic power-saving eco mode when the handset is close to the base, range boost technology to extend range by up to 20 percent, and a three-band equalizer to maximize clarity or to compensate for hearing loss. The base and handsets on this Panasonic cordless phone have hands-free speakerphone operation and intercom connection to the other stations. Call sharing and conference calls between an outside line and up to four local stations are possible. The Panasonic KX-TG6645B stores 50 caller IDs and 50 phonebook entries with up to 16 characters for the name and 24 digits for the number. The cordless answering system has a total message capacity of approximately 18 minutes. The base unit is 5.4 inches high by 6.4 inches wide by 7.2 inches deep and weighs 13.1 oz. The handsets are each 6.8 inches high by 1.9 inches wide by 1.3 inches deep and weigh 5 oz.