Dect 6.0, Three Handset Cordless Phone Answering System, With Caller ID Features Voice Announce Caller ID, Push To Talk Intercom, HD Audio, The Frequency Band Has Been Extended Allowing For The Signal To Be Reproduced & Tuned For A Fuller & Clearer Sound. Interference Free For Crystal Clear Conversations, Expandable Up To 12 Handsets, Handset Speakerphone, 50 Name & Number Phonebook Directory, 14 Minute Recording Time, Message Retrieval From The Handset, Blue Backlit Keypad & Display, Wall Mount Bracket Included.