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  2. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    This action, coupled with an electric current, allows an alarm control panel to detect a fault on that zone or circuit. These sensors are common, are found wired directly to an alarm control panel, or are typically found in wireless door or window contacts as sub-components.

  3. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Some forecasts project the home security market as a whole will be worth $47 billion by 2020, [12] with the DIY home security market worth $1.5 billion. [13] While the market for home security is expanding, especially with cable TV and Internet service providers introducing their own security and home automation products, it is a fragmented ...

  4. The best sunrise alarm clocks of 2025 - AOL

    www.aol.com/lifestyle/best-sunrise-alarm-clocks...

    Notable features: Brightness variable from 0%-100% | Sunset simulation | 13 preloaded alarm sounds | Numerous relaxation sounds | Night-light setting The Hatch Restore 2 is a full-featured sunrise ...

  5. Window security - Wikipedia

    en.wikipedia.org/wiki/Window_security

    Wired or wireless security alarms can be designed to warn intrusions through windows, using sensors like glass break detectors and contact magnetic sensors [5] [6] Security lighting (including those systems with automatic light switch and timers) is useful to make evident an attempt of unauthorized access [7]

  6. The best tech for adults over 65 we spotted at CES this year

    www.aol.com/lifestyle/ces-2025-aging-in-place...

    Smart Wi-Fi door locks aren’t new, but the TP-Link Tapo DL100 offers six ways to unlock the door: by fingerprint, keypad, a Tapo app on a smartphone, Bluetooth, using your voice via a smart ...

  7. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Analog wireless is the transmission of audio and video signals using radio frequencies. Typically, analog wireless has a transmission range of around 300 feet (91 meters) in open space; walls, doors, and furniture will reduce this range. Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz.