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Explainers
Security Sensors Explained — Types, How They Work & What to Look For
These explainers cover the fundamentals of home security sensors — from motion sensors and glass break sensors to window sensors. Understand how each type works and what features matter before you're ready to shop.
Featured
Featured Security Sensors Explainers
Start with the foundations, then zoom into specific security sensors types. These featured explainers clarify how each works, what it’s best at, and how to choose the right one for your needs.
All Explainers
All Security Sensors Explainers
This is the complete Security Sensors explainer library — fundamentals, types, features, and material-specific guidance. Browse every article in one place, or use the sections below to narrow your focus.
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Security Sensors Explainers by Type
Jump straight to a Security Sensors type to explore all explainers inside it — how they work, key specs, and when to use each.
Explainers
How glass break sensors detect shattering, the tech behind acoustic detection, and key specs.
Explainers
How motion sensors work, the difference between PIR & microwave types, and coverage factors.
Explainers
How window sensors detect opening or tampering, contact vs. vibration types, and placement basics.
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Ready to move from understanding security sensors to choosing one? Explore our top picks, narrow options with comparisons, or go deeper with hands-on reviews.