This is an exceptionally powerful telephone with adjustable hearing amplification of up to +60 dB . This feature enables comfortable calling even for people with severe hearing loss. During calls, the tone can be adjusted as desired, and there is also the option to connect a headset or external vibration pad. With 11 handy speed dial keys, calling is even easier, and the names associated with these numbers can be noted on the handy index card on the side of the device. In addition, the phone has large keys for easy operation and a light flash is displayed for incoming calls. As an extra handy feature , the phone can even be mounted on the wall.