AT&T EL51203 2 Handset DECT 6.0 Cordless Home Phone Full-Duplex Handset Speakerphone, Backlit Display, Lighted Keypad, Caller ID/Call Waiting, Phonebook, Eco Mode, Voicemail Key, Quiet Mode,Intercom

[DECT 6.0 powered Long Range & Clear Sound] – This cordless telephone transmits secure signals via DECT 6.0 channel ensures crystal clear sounds, interference-free, and stable operation range up to 1000 ft outdoor.
[Phonebook Directory] – Easily store 50 name and numbers in the phonebook directory to dial frequently called numbers quickly.
[Speak & Hear simultaneously with Full-Duplex Speakerphone] – The built-in full-duplex speakerphones in handset allows both ends to speak – and be heard – at the same time.