DECT 6.0 TECHNOLOGY EXPANDABLE UP TO 6 HANDSETS BACKLIT LCD ON HANDSET CALL WAITING CALLER ID UP TO 3-WAY CONFERENCE CAPABILITY NIGHT MODE RINGER ID LIGHT-UP INDICATOR WITH RINGER ALERT DIGITAL HANDSET SPEAKERPHONE HANDSET INTERCOM & LOCATOR 50-STATION SHARED PHONEBOOK BUILT-IN CLOCK WITH ALARM ON HANDSET INCLUDES NIMH BATTERIES WALL-MOUNTABLESILVER DUAL HANDSET SYSTEM