Large 4-line LCD display is easy-to-read and provides quick reference for clock time and day, number dialed, memory verification, call timer and a memo. 16-Number speed-dial memory provides one-touch dialing for 16 frequently used numbers, 100 name-and-number memory directory with convenient memory index. Line-switchable data port allow you to hook up a fax, modem or answerer on lines 1, 2, 3, or 4. Full performance speakerphone lets you dial out of memory or the keypad without picking up the handset. When you lift the handset, your call will automatically transfer to the handset. Use of Caller ID requires subscription to Caller ID services. Uses and includes an AC adapter