Check the listing for details. Speaker Phone CID Big Button Amplified Hearing Impaired. Condition: New. Listed at 42.00 USD. FC-2646 For User Manual Click Here Caller ID Phone With 2 Way Speakerphone 3 One Touch Memories 40db Handset Volume Special Features: 2 Way Speakerphone 3 One Touch Memories Ringer NEON in Handset 90 Caller ID Memories 4 Line LCD Display Power Failure Protection Phonebook Function 40db Handset Volume Max Big Button Color Black 3 One Touch Memories 2 Way Speakerphone With Volume Control Caller ID 90 incoming Name & Number 16 Last Outgoing Calls 7 Languages Real Time Clock Adjustable LCD Contrast Adjustable Handset Volume From 15db to 40db 4 Levels Flash Key Music on Hold Key Last Number Redial Auto Redial Function Silent Auto Redial The phone will continue to call a busy number until the line is free ( Why pay the phone company for this) Adjustable Ringer Volume Off / Low / High 8 Ringer Melody 25 Phonebook Function Big Button Desk / Wall Use Hearing Aid Compatible Pause, Memo Keys In use LED Ringer NEON Indicator Power Failure Protection 4 Line LCD Display Battery Backup 3 X AA FCC ApprovedDimensions in inches L 8 W 7 H 3