Calling Features: Mute, Call Transfer, Eco Mode, Flash Function, Dial Back Function, Call Waiting, Phonebook, Caller IDTelecommunication Features: Line In Use Indicator, Handset Paging Locator, Customizable Ringtones, Alarm Clock, Speakerphone, Caller ID, Caller ID Log, Handset to Handset IntercomAnswering Machine Features: Digital Message Counter, Remote Access, Day/Time StampDisplay Features: Battery Level Indicator, Call Timer, New Call Indicator, Date and Time, 3-Line LCD Screen, Voicemail Indicator, Backlit LCDWireless Frequency/Band: Dect 6.0 PlusNumber of Incoming Lines: 1Number of Mailboxes: 1Message Recording Capacity: 18 minNumber of Caller IDs Stored: Up to 50 Names and NumbersPhonebook Memory Locations: 50 SharedScreen Size: 1.4 "Screen Resolution: 64 x 32Wireless Standard: DECT 6.0Maximum Operating Range: Up to 165" IndoorsNumber of Handsets Included: 2Maximum Number of Handsets: