Uniden TCX930 Accessory Handset and Charger for TRU9360, TRU9360-2,TRU9380, TRU9380-2, TRU9380-3 Digital FHSS technology, Expandable up to a total of 10 handsets 70-Name phonebook and 30-number Caller ID memory Handset speakerphone, intercom and transfers calls between handsets, transfers phonebook memory between handsets, headset compatible Backlit keypad and display, Bilingual menu 7 ring tones, personal ring feature