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  • Layered home security with a front door alarm and window sensor

    Layering Your Home Security: How It Works

    Security professionals have a name for the mistake most homeowners make: relying on a single line of defense. Security researchers describe effective protection as "layered protection" or "defense in depth" — a strategy built on the idea that no single...

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  • Barking dog alarm mounted by a front door for home security

    What to Look for in the Best Barking Dog Alarm

    Burglars don't case a house for hours before deciding whether to break in. A 2013 study out of the University of North Carolina at Charlotte's Department of Criminal Justice and Criminology — "Understanding Decisions to Burglarize from the Offender's Perspective"...

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  • Police Taser Volts Spike

    How Many Volts Does a Police Taser Have?

    Peak output, yes — around 50,000 volts. But that's not the number that actually reaches your body, and it's not really the number that matters. Here's the real, specific breakdown, because the "50,000 volts" figure that gets repeated everywhere is...

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