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  2. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]

  3. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    The technology typically found in motion sensors to trigger an alarm includes infrared, ultrasonic, vibration and contact. Dual technology sensors combine two or more forms of detection in order to reduce false alarms as each method has its advantages and disadvantages. Traditionally motion sensors are an integral part of a home security system.

  4. Vivint - Wikipedia

    en.wikipedia.org/wiki/Vivint

    Vivint offers a range of integrated smart home and security products, including cameras, locks, safety sensors, thermostats, lighting, managed through the Vivint Smart Hub and mobile app. [2] As of 2024, Vivint has over two million customers across all fifty states with more than 27 million devices managed. The company employs more than 12,000 ...

  5. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    The smart doorbell lets the home owner use a smartphone app to watch and talk with the visitor by using the doorbell's built-in high-definition infrared camera and microphone. They can be either battery operated or wired. [1] Some smart doorbells also allow the user to open the door remotely using a smart lock. [2]

  6. Alarm sensor - Wikipedia

    en.wikipedia.org/wiki/Alarm_sensor

    In telecommunications, the term alarm sensor has the following meanings: . In communications systems, a device that can sense an abnormal condition within the system and provide a signal indicating the presence or nature of the abnormality to either a local or remote alarm indicator, and (b) may detect events ranging from a simple contact opening or closure to a time-phased automatic shutdown ...

  7. Start 'Em, Sit 'Em quarterbacks: Week 12 fantasy football - AOL

    www.aol.com/start-em-sit-em-quarterbacks...

    Joe Burrow, Josh Allen and Kirk Cousins are all off in Week 12. Fantasy football owners will have some tough start/sit decisions in replacing them.

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