The Panasonic KX-TG5433 phone uses the 5.8GHz digital FHSS technology to ensure you enjoy clear-cut conversations without any interference. Being expandable to 3 handsets, you can conveniently use this 1-line cordless phone in your home as well as office. See who is calling you with the Call waiting and caller ID function on the easy-to-read LCD screen of this Panasonic phone. Additionally, the digital answering system in this 1-line cordless phone records messages for you when you are unavailable to receive any call. Using the built-in speakerphone in this Panasonic phone, you can indulge in hands-free conversations while you are busy doing something else. Furthermore, you can use the intercom to connect the Panasonic KX-TG5433 to another handset in different room.