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  2. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  3. BrickHouse Security - Wikipedia

    en.wikipedia.org/wiki/BrickHouse_Security

    BrickHouse Security sells hidden cameras under the Camscura brand. The company also markets a camera and sensor system designed specifically for home sharing sites such as Airbnb and HomeAway called MORzA Airbnb, to protect owners from renters misusing the properties. The system detects motion and movement that could indicate unwanted activity ...

  4. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.

  5. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    A passive infrared sensor used to detect motion. The passive infrared (PIR) motion detector is one of the most common sensors found in household and small business environments. This sensor does not generate or radiate energy; it works entirely by detecting the heat energy given off by other objects.

  6. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    Alarm systems work in tandem with physical barriers, mechanical systems, and security guards, serving to trigger a response when these other forms of security have been breached. They consist of sensors including perimeter sensors, motion sensors, contact sensors, and glass break detectors. [12]

  7. Guardian Alarm - Wikipedia

    en.wikipedia.org/wiki/Guardian_Alarm

    Founded in 1930, Guardian Alarm is the largest independently owned security company in the Midwest and continues to be ranked in the top 20 in the United States. The company has over 500 employees in various cities across the United States. Guardian Alarm installs, monitors, and services home and business security systems.

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