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  2. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

  3. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Sensors: In a security alarm, some sensors detect intrusions. Sensors' locations are at the perimeter of the protected area, within it, or both. Sensors can detect intruders by different methods. Alerting devices indicate an alarm condition. Most commonly, these are bells, sirens, also and or flashing lights. Alerting devices serve the dual ...

  4. Alarm.com - Wikipedia

    en.wikipedia.org/wiki/Alarm.com

    Alarm.com was founded in 2000 as part of MicroStrategy's research and development unit and launched an interactive security program that enabled remote monitoring and arming for a disarmed security system in 2002. The company has developed its platform to include smart home and business software that incorporates video monitoring, energy ...

  5. 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]

  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. Congress could ban new drones from two Chinese manufacturers

    www.aol.com/news/dji-could-banned-launching...

    WASHINGTON (Reuters) -China-based DJI and Autel Robotics could be banned from selling new drones in the United States market under an annual military bill set to be voted on later this week by the ...

  8. Possible bird strike forces jet to make emergency landing at ...

    www.aol.com/possible-bird-strike-forces-jet...

    Back in 2009, the "Miracle on the Hudson " involved a bird strike and a plane taking the same route as Thursday's American Airlines jet.

  9. The #1 Thing You Should Do Before a Big Meal to Prevent ...

    www.aol.com/1-thing-big-meal-prevent-120000828.html

    Whether it’s a family gathering, holiday celebration or big dinner party, overeating during big meals can leave you feeling uncomfortable, bloated and sluggish.

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