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The Role of Motion Detectors in Home and Business Security Systems
How motion detectors work, from passive infrared to dual-technology models, where to place them, how pets are handled and what usually causes false alarms.
Detection and Protection
Motion, fire, environmental and audio devices and what each does.
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How motion detectors work, from passive infrared to dual-technology models, where to place them, how pets are handled and what usually causes false alarms.
How freeze sensors and temperature monitors can warn you about cold risks in vacant homes, seasonal cabins and closed businesses, and where their limits are.
How smoke alarms and heat detectors sense fire differently, where each fits in a home or small business, and why they are not interchangeable.
What two-way audio does on doorbells and cameras, everyday and security uses, its limits, and the privacy and recording-law cautions to check first.
What temperature, humidity, flood and carbon monoxide sensors can alert you to, where they fit alongside intrusion sensors, and what they cannot do.
How smoke and heat detection fit into a security system, how monitored fire alerts differ from standalone alarms, and why local codes decide the details.
How GPS trackers can help locate vehicles, trailers and equipment, how they complement alarms and cameras, and the privacy and legal limits to respect.
How vibration and shock sensors detect forced-entry attempts on doors and windows, how they differ from contact and glass break sensors, and how to tune them.
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