Door/Window Entry Security Alarm (3-pack)
$12.99
Suggested retail. Browse-only preview — ordering opens soon.
Battery-powered magnetic sensor alarm that triggers when a door/window is opened; adhesive mount.
Why squads carry it
Your squad deploys these critical sensors to immediately alert you to unauthorized entry, providing precious reaction time in an emergency. They enhance perimeter security, giving your family a vital early warning system against threats when every second counts, day or night.
The moment it matters
A family settling into a new house in an unfamiliar neighborhood wants an extra layer of comfort before the first night's sleep. Within ten minutes, three small alarms are stuck to the sliding door and two ground-floor windows — no tools, no wiring, no monthly fee — and everyone sleeps a little easier knowing any unexpected opening will sound off loud enough to wake the whole house.
A battery-powered magnetic entry alarm is one of the simplest, most affordable home-security upgrades that exists — no professional installation, no subscription, just a loud, immediate alert if a door or window opens unexpectedly. It's a natural fit for renters, new homeowners, or anyone wanting a meaningful security boost without a full alarm system, and it travels just as easily to a hotel room or a rental cabin.
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