50 dB adjustable handset amplification Speakerphone in base 95 dB adjustable ringer and bright visual ringer 6 programmable memory keys Outgoing speech amplification (12 dB) 99 name and number phonebook directory – easily store and dial frequently called numbers Volume control speakerphone Full range tone control Amplification override reset 4 ring tones 2 amplified jacks (2.5mm hands-free & 3.5mm audio) Jack for optional vibrating pad (For best results, use a ClearSounds shaker accessory) Table/wall convertible Size:7.75" x 7.75" x 1.75" 1-year warranty