1) SIRENS: Proven over and over to provide warnings to the greatest number of people in the shortest amount of time.
2) People EXPECT to hear a siren when imminent danger is near. (From a scientific study of methods of warnings)
3) Sirens quite literally scare people into action where other forms of warnings do not.
4) A person doesn’t have to do a thing to receive a warning, no signups, no turning anything on,
no cell phones, if they can hear they will be warned
5) SIRENS SAVE LIVES
Used for multiple applications