DESC: The flexible MD791 has it all: clear, dependable sound, convenient features, and advanced connectivity. 5.8 GHz FHSS digital technology gives you improved clarity and privacy for all of your calls. It comes with 2 handsets, and you can easily expand your system up to 8 handsets (with just one base station and one phone jack). The built-in digital answering machine makes it easy to retrieve messages from the base station or handset - or you can have them forwarded to your cell phone or other number. Long battery life with emergency backup keeps you connected, during a long conversation or even a power outage!