The Photo-Dial Amplified Telephone 40dB is an amplified telephone designed for use by individuals who are hard of hearing. This phone offers 40 decibels (dB) of amplification of the incoming voice with an adjustable tone control for optimum word clarity. This phone also functions as a speakerphone with adjustable amplification and tone control. Other features include large buttons for ease of use, with nine photo memory buttons for speed dial. A bright ring flasher provides visual notification of incoming calls. This phone is equipped with an extra loud ringer (up to 105dB) with adjustable ring pitch. WARRANTY: 12-month warranty.