Amplifies up to 40 dB at 110 dB SPL Full range tone control Amplified speakerphone in base 104 dB adjustable ringer & bright visual ringer Big button easy-to-read backlit keypad 5 one-touch speed dials and 1 one-touch emergency dial button 99 name & number phonebook; caller ID Large backlit angle-adjustable LCD display 2.5mm headset jack & 3.5mm audio jack Table/wall convertible Battery back-up Color: White One year warranty Emergency SOS Pendant (included): Wireless, waterproof pendant allows you to contact emergency numbers remotely Remote call answering and disconnect through the pendant Auto dials ups to 5 pre-programmed numbers Recordable outgoing emergency message Pair additional pendants (sold separately)