Sounder Siren
A fire alarm is an electronic sounder or a bell. The alarm makes a loud, high pitched sound to notify people that there is a fire in the building. The sounders can be programmed to sound different tones. Most fire
A fire alarm is an electronic sounder or a bell. The alarm makes a loud, high pitched sound to notify people that there is a fire in the building. The sounders can be programmed to sound different tones. Most fire