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  2. SimpliSafe - Wikipedia

    en.wikipedia.org/wiki/SimpliSafe

    SimpliSafe was founded in 2006 by then-Harvard Business School students, Chad and Eleanor Laurans after several friends in the Cambridge area experienced home break-ins, but couldn't find a security company that was designed to help renters.

  3. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Security alarm. A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary (theft) or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and ...

  4. Google Nest - Wikipedia

    en.wikipedia.org/wiki/Google_Nest

    1,100 (2015) Parent. Google. Website. nest.com. Footnotes / references. [1] Google Nest is a line of smart home products including smart speakers, smart displays, streaming devices, thermostats, smoke detectors, routers and security systems including smart doorbells, cameras and smart locks. [2]

  5. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    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. They form a vital component of security, automated lighting control, home control, energy efficiency ...

  6. Driveway alarm - Wikipedia

    en.wikipedia.org/wiki/Driveway_alarm

    A driveway alarm is a device that is designed to detect people or vehicles entering a property via the driveway. A driveway alarm system is often integrated as a component of a system which automatically performs a task or alerts home owners of an unexpected intruder or visitor. Driveway alarms can be a vital component of security, automated ...

  7. 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. PIR sensors detect general movement, but do not give ...

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