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How does the sound differ to conventional intruder sirens?

Inferno uses a patented frequency pattern that generates the most unbearable of sounds. The frequency creates an insufferable, piercing noise. This separates Inferno from conventional sirens that merely omit a consistent sound to which the human

What is the effect of hearing Inferno?

Inferno emits an intolerable sound that causes an immediate change in behavior. An automatic, protective response to cover the ears is followed by a desperate urge to leave the area as quickly as possible. This

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