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  2. A Self-Defense Expert Recommends These 12 Personal Safety Devices

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

    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.

  3. 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 ...

  4. Alarm device - Wikipedia

    en.wikipedia.org/wiki/Alarm

    safety alarms, which go off if a dangerous condition occurs. Common public safety alarms include: civil defense siren, also known as tornado sirens or air raid sirens; fire alarm systems. fire alarm notification appliance "Multiple-alarm fire", a locally specific measure of the severity of a fire and the fire-department reaction required. smoke ...

  5. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    The alarm system is required to have a maintenance check carried out every 6 – 12 months. In the UK, 'Audible Only' intruder alarm systems require a routine service visit once every 12 months and monitored intruder alarm systems require a check twice in every 12-month period.

  6. Warning system - Wikipedia

    en.wikipedia.org/wiki/Warning_system

    A HSS Engineering TWS 295 electronic sirens warning 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 ⓘ Warning light indicating danger of laser exposure

  7. Medical alarm - Wikipedia

    en.wikipedia.org/wiki/Medical_alarm

    Medical alarm device with GSM support. A medical alarm system may consist of Personal Device a wireless transmitter, which is worn around the neck, on a belt, or on a wrist; an application running on a smart phone and carried in a pocket; the device may contain a speaker and microphone; Sensor(s) fall detection sensors; movement sensors

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