With the visutone telephone bell or doorbell for hard-hearing you can decide for yourself whether you are warned with an extra hard sound or with light flashes on the door or telephone bell.
The visutone works with the doorbell or with the telephone bell. The telephone bell or doorbell for hard-hearing is a small signal device for a pocket book. When the bell is going to be alerted to this by means of clear light flashes or a loud sound or with both at the same time. For the audio signaling you can choose from different sounds. You can also set the volume and sound to your individual preferences.
With the help of the signal choice switch you can choose whether you are alerted by the Visutone door or telephone bell, only with sound or with both of them at the same time at the bell.
The visutone works on batteries that last about three months.