Fire alarm systems are designed to warn us about an emergency caused due to fire so that we can take the necessary actions to defend ourselves from fire accidents. A conventional fire alarm system's key components are a fire alarm panel, detectors, call points, fire alarm hooter, and power supply accessories. If you have been setting up the fire alarm system in your place, then purchasing a fire alarm hooter must be needed. The hooters are notification-producing devices that give out alarm sounds when the detectors detect any hazardous situation like a fire. Now let's learn about the working of the fire alarm system and how the hooters function.