The Remote Horn, model RH 100 adjustable remote horn will alert you by sounding an adjustable tone and volume control, which allows you to select the most effective audio alert sound combination. From a loud 78-85 decibel low frequency to a high 113 decibels. The adjustable tone ranges from 200-2,000 Hertz.
It is ideal for hard of hearing family members. The unit plugs directly into your wall outlet. The Rh100 can be mixed with all Sonic Alert remote receivers and must be used with a Sonic Alert signaler.