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.

The Rh100 picks up signals from any Sonic Alert Transmitters