Uniden DECT 6.0 Two-Line Cordless Phone with Caller ID (DECT4066A) (Black) Two line cordless phone with advanced phonebook features DECT 6.0 technology for interference-free from all devices Caller ID display on base; keypad on base; blue backlit LCD on base; base and handset speakerphone Alarm clock/schedule reminders; do not disturb mode Expandable up to ten handsets to one base; intercom/call transfer between headsets