This multi-handset phone system allows you to place up to 10 phones in your home even if you have only one phone jack. Rating highest in our tests for ease of use, features, and handset expandability compared to other multi-handset phones, this system can set up 10 phones in less than 15 minutes. The phones use 5.8 GHz for clear sound with virtually no outside interference, and have a direct-link mode for using handsets as intercoms or room monitors; operation is simple thanks to features such as a synchronizing function that automatically sets the time and date on each handset when you program the base unit. The comfortable handsets (they were among the lightest units tested) and base have large LCDs with clock and status display, and are logically laid out for simple use; with 20 distinctive ring tones. With handset and base speakerphones; Caller ID and Call Waiting compatible. Includes base phone and one additional handset with charging cradle; add up to eight more (available separately). 6 1/2¿ H x 4 1/2¿ W x 7 1/2¿ D. (3 1/4 lbs.)