Pocket Alarm

Written by Jeremy Horelick
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A pocket alarm is the best substitute on the market for a set of powerful vocal cords and high-capacity lungs. If you've never belted out an operatic aria before (or even a genuine scream), you may want to consider a device that can do your screaming for you--130 decibels worth! At that level, your attacker won't know whether you're a still a potential target or a 747 preparing for takeoff.

Pocket alarms contain the same basic transmitter that your bedside alarm uses, only with much higher amplitude. The idea isn't to permanently deafen your assailant (you'd probably deafen yourself as well), but to shock him with such a powerful distress signal that he back off and seeks out a new mark. Of course, it doesn't hurt that, in the process, you also manage to gain the attention of passersby anywhere within earshot.

More on Your Pocket Alarm

The typical pocket alarm operates on nothing more complicated than a buzzer that, when depressed, emits the signal. As such, there are certain design elements in place to ensure that you don't accidentally trigger your alarm in a store, movie theater, classroom, or anywhere else. Most systems require simultaneous engagement of two separate keys on opposite sides of the pocket alarm. In some instances, it may even require three buttons to be pressed at once.

Pocket alarms continue to evolve, largely out of their sheer popularity. Manufacturers looking to make inroads in the personal security market are constantly developing new bells and whistles (no pun intended) to snare consumers who'd otherwise opt for a can of mace instead. These include flashlights, key rings, and built-in sensors that can trigger the siren in secondary ways, just in case you can't reach your pocket alarm when you need it most.

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