5.8 GHZ digital cordless phone features one line and two handsets. Can be expanded to four handsets. Cordless phone uses wireless-network friendly Frequency-Hopping Spread Spectrum technology. Also features a digital answerer with three mailboxes and 14 minutes record time, Call Waiting/Caller ID with 40 Name and Number Memory, speakerphone, intercom, conference, melody ring tones and Do-Not-Disturb mode. Offers clear quality voice with no interference and unsurpassed security. The 5.8GHz digital single-line handset/charger offers Caller ID/Call Waiting, speakerphone, intercom, visual ring indications and a three-line backlit LCD display.