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  2. List of sirens built by Alerting Communicators of America

    en.wikipedia.org/wiki/List_of_sirens_built_by...

    Omni Directional 102 dB, 109 dB, and 112 dB at 100 ft. Rebranded versions of ACA's Screamers. The S-10 was not carried over when ACA became ASC. OM-117-AC Electro-Mechanical 15 8 1994–2004 Omni Directional 117 dB at 100 ft. Rebranded version of ACA's Banshee siren, only in the 8-port 15 HP version. OM-120-DC Electro-Mechanical 7.5 9

  3. Kubotan - Wikipedia

    en.wikipedia.org/wiki/Kubotan

    An original Kubotan keychain with keys attached. A Kubotan is a self-defense keychain weapon developed by Sōke Takayuki Kubota in the late 1960s. It is typically no more than 140 millimetres (5 + 1 ⁄ 2 inches) long and about 13 mm (1 ⁄ 2 in) in diameter, slightly thicker or the same size as a marker pen.

  4. A Self-Defense Expert Recommends These 12 Personal ... - AOL

    www.aol.com/lifestyle/10-best-self-defense...

    The best self-defense weapons are easy to carry and use. Our expert has tested self-defense weapons for years these 12 discrete personal safety devices.

  5. Long-range acoustic device - Wikipedia

    en.wikipedia.org/wiki/Long-range_acoustic_device

    An NYPD LRAD on top of a police humvee An LRAD operator wearing hearing protection LRAD on a navy ship. A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance.

  6. Panic button - Wikipedia

    en.wikipedia.org/wiki/Panic_button

    A panic button alarm is a self-contained electronic device powered by an internal long-life battery, typically Waterproof and designed to be shock resistant and highly durable. In a medical emergency, the advantage over a simple cell phone is that the person in distress may not have the ability to dial the three digits for 911, and may not have ...

  7. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    Electronic Sirens Pavian by Telegrafia A Whelen WPS electronic siren imported to Saudi Arabia by HSS Engineering for use as a civil defense siren. There are 8,200 alarm sirens for civil protection throughout Switzerland. They are tested once a year, on the first Wednesday in February. [1] Sound sample ⓘ An 1860s-era siren. [2]

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