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Best Buy customers often prefer the following products when searching for modern alarm systems.

Modern alarm systems are designed to be easy to use and reliable. They're also designed to provide security for your home or business, while being as unobtrusive as possible. Browse the top-ranked list of modern alarm systems below along with associated reviews and opinions.

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  1. Call of Duty: Modern Warfare II Cross-Gen Edition - Xbox Series X, Xbox Series S, Xbox One [Digital] - Front_Zoom
    Top comment

    "Great Sequel to modern warfare The campaigns on the Modern warfare games have always been outstanding and the multiplayer is very fun and challenging....Modern warfare 2...Modern Warfare 2"

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    Product Description

    Call of Duty: Modern Warfare II drops players into an unprecedented global conflict that features the return of the iconic operators of Task Force 141. From small-scale, high-stakes infiltration tactical ops to highly classified missions, players will deploy alongside friends in a truly immersive experience.
    See all Xbox Series X|S Game Downloads
    Top comment

    "Great Sequel to modern warfare The campaigns on the Modern warfare games have always been outstanding and the multiplayer is very fun and challenging....Modern warfare 2...Modern Warfare 2"

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    Product Description

    Call of Duty: Modern Warfare II drops players into an unprecedented global conflict that features the return of the iconic operators of Task Force 141. From small-scale, high-stakes infiltration tactical ops to highly classified missions, players will deploy alongside friends in a truly immersive experience.
    See all Xbox Series X|S Game Downloads
    Your price for this item is $69.99
    See all Xbox Series X|S Game Downloads
  2. Call of Duty:  Modern Warfare II Cross-Gen Edition - PlayStation 4, PlayStation 5 - Front_Zoom

    Model: 88548US
    Publisher: Activision Publishing
    SKU: 6509887
    ESRB Rating: M (Mature 17+)
    Top comment

    "a must have for any gaming system. Call of Duty the new modern warfare...Modern Warfare II"

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    Product Description

    Call of Duty: Modern Warfare II - Cross-Gen Edition
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    Top comment

    "a must have for any gaming system. Call of Duty the new modern warfare...Modern Warfare II"

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    Product Description

    Call of Duty: Modern Warfare II - Cross-Gen Edition
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    Your price for this item is $69.99
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  3. Henckels - Modernist 7-pc Self-Sharpening Block Set - Brown - Angle_Zoom
    Top comment

    "current and modern...You will not worry about having a sharp knife to use again. The modern look is as sharp as the knives. Good assortment with this set!!...Modern...[This review was collected as part of a promotion.] Finally a modern design with the high quality knives. And self sharpening too!!"

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    Product Description

    Henckels makes essential kitchen tools that every home chef needs. Created in 1895, this time-honored brand offers high quality at an exceptional value.Sharpness is always in reach with Henckels Self-Sharpening Modernist Knife Blocks. The self-sharpening slots boast built-in ceramic honing wheels that automatically sharpen when knives are stored or removed.With these must-have knife blocks, enjoy effortless sharpness for precise prep work every time. Plus, their handsome stained ash wood base and stainless steel cap add aesthetic appeal to your countertop.Tailor-made for J.A. Henckels Modernist knives, these blocks help you maintain the superior sharpness of their fine edge, precision-honed blades. With a seamless transition from blade to handle, the knives' fully forged construction provides balance while their traditional triple-rivet handle encourages tireless cutting.
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    Top comment

    "current and modern...You will not worry about having a sharp knife to use again. The modern look is as sharp as the knives. Good assortment with this set!!...Modern...[This review was collected as part of a promotion.] Finally a modern design with the high quality knives. And self sharpening too!!"

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    Product Description

    Henckels makes essential kitchen tools that every home chef needs. Created in 1895, this time-honored brand offers high quality at an exceptional value.Sharpness is always in reach with Henckels Self-Sharpening Modernist Knife Blocks. The self-sharpening slots boast built-in ceramic honing wheels that automatically sharpen when knives are stored or removed.With these must-have knife blocks, enjoy effortless sharpness for precise prep work every time. Plus, their handsome stained ash wood base and stainless steel cap add aesthetic appeal to your countertop.Tailor-made for J.A. Henckels Modernist knives, these blocks help you maintain the superior sharpness of their fine edge, precision-honed blades. With a seamless transition from blade to handle, the knives' fully forged construction provides balance while their traditional triple-rivet handle encourages tireless cutting.
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    Your price for this item is $149.99
    See all Knife Sets
  4. Call of Duty: Modern Warfare II Cross-Gen Edition - Xbox Series X, Xbox One - Front_Zoom

    Model: 88552US
    Publisher: Activision Publishing
    SKU: 6509895
    ESRB Rating: M (Mature 17+)
    Top comment

    "Modern Warfare 2...Modern Warfare 2 campaign is pretty good graphics are on point!...Reminds me of the previous Modern Warfare which I loved playing. I've been playing a ton of 24/7 shipment and still enjoying it."

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    Product Description

    Call of Duty: Modern Warfare II - Cross-Gen Edition
    See all Xbox Series X|S Games
    Top comment

    "Modern Warfare 2...Modern Warfare 2 campaign is pretty good graphics are on point!...Reminds me of the previous Modern Warfare which I loved playing. I've been playing a ton of 24/7 shipment and still enjoying it."

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    Product Description

    Call of Duty: Modern Warfare II - Cross-Gen Edition
    See all Xbox Series X|S Games
    Your price for this item is $69.99
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  5. Airthings - View Radon Battery Wi-Fi Smart Radon/Humidity/Temperature Sensor - Matte White - Front_Zoom
    Top comment

    "Systems can fail and this gives us piece of mind. ...The design is pleasing and modern, I will mount it on the wall next to my smoke/co2 detector. "

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    Product Description

    It's time to get SMART about Radon. View Radon is our most advanced smart radon monitor with the newest technology in digital radon detection. Radon is a dangerous gas that is found in every home, and is the leading cause of lung cancer among non-smokers. View Radon is a Wi-Fi -connected, battery-operated monitor with a built-in display, including our latest radon detection technology. Wave in front of the device for the current values of radon, humidity, and temperature. Per the EPA, "Every home needs a radon detector"—understand your long-term exposure with continuous monitoring. View series products are: battery operated or use USB plug; wireless and Wi-Fi -connected; work as a hub; include a customizable display; connected to an app (iOS/Android) and online dashboard with full data and reporting. Gain peace of mind. Use View Radon as a hub to connect up to 10 Airthings devices for a multi-room monitoring system.
    See all Home Alarms & Sensors
    Top comment

    "Systems can fail and this gives us piece of mind. ...The design is pleasing and modern, I will mount it on the wall next to my smoke/co2 detector. "

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    Product Description

    It's time to get SMART about Radon. View Radon is our most advanced smart radon monitor with the newest technology in digital radon detection. Radon is a dangerous gas that is found in every home, and is the leading cause of lung cancer among non-smokers. View Radon is a Wi-Fi -connected, battery-operated monitor with a built-in display, including our latest radon detection technology. Wave in front of the device for the current values of radon, humidity, and temperature. Per the EPA, "Every home needs a radon detector"—understand your long-term exposure with continuous monitoring. View series products are: battery operated or use USB plug; wireless and Wi-Fi -connected; work as a hub; include a customizable display; connected to an app (iOS/Android) and online dashboard with full data and reporting. Gain peace of mind. Use View Radon as a hub to connect up to 10 Airthings devices for a multi-room monitoring system.
    See all Home Alarms & Sensors
    Your price for this item is $199.99
    See all Home Alarms & Sensors
  6. Call of Duty: Modern Warfare II - PlayStation 5 - Front_Zoom

    Model: 88550US
    Publisher: Activision Publishing
    SKU: 6509888
    ESRB Rating: M (Mature 17+)
    Top comment

    "Call of Duty: Modern Warfare II PS5...Cross play makes it easier to play with friends that have different systems....Modern Warfare...Sony Playstation 5 Modern Warfare This game is so much fun!"

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    Product Description

    Call of Duty: Modern Warfare II
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    Top comment

    "Call of Duty: Modern Warfare II PS5...Cross play makes it easier to play with friends that have different systems....Modern Warfare...Sony Playstation 5 Modern Warfare This game is so much fun!"

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    Product Description

    Call of Duty: Modern Warfare II
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    Your price for this item is $69.99
    See all PS5 Games
  7. Airthings - View Plus Air Quality/Radon/Carbon Dioxide/Temperature/Humidity with Alexa and Google Assistant - Matte White - Front_Zoom
    Top comment

    "Becoming a Necessity in a Modern Home...Devices like the Airthings View Plus are becoming a necessity in a modern home, which are generally well insulated and sealed from outside air circulation. ...After a week, we determined the radon readings were too high so we took steps to upgrade our “passive” radon system in our home to an “active” system with a fan. "

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    Product Description

    9 out of 10 people in the world breathe unsafe air according to WHO guidelines. With View Plus, you can keep your family safe from air pollutants: radon, particulate matter (PM), carbon dioxide (CO2), humidity, temperature, airborne chemicals (VOCs), and air pressure. When there is so much that is out of your control-pollution, asthma, allergies, wildfire, virus-you have more control than you think when it comes to indoor air quality with View Plus. View series products are: battery operated or use USB plug; wireless and WiFi-connected; work as a hub; include a customizable display; connected to an app (iOS/Android) and online dashboard with full data and reporting.
    See all Home Alarms & Sensors
    Top comment

    "Becoming a Necessity in a Modern Home...Devices like the Airthings View Plus are becoming a necessity in a modern home, which are generally well insulated and sealed from outside air circulation. ...After a week, we determined the radon readings were too high so we took steps to upgrade our “passive” radon system in our home to an “active” system with a fan. "

    See all customer reviews

    Product Description

    9 out of 10 people in the world breathe unsafe air according to WHO guidelines. With View Plus, you can keep your family safe from air pollutants: radon, particulate matter (PM), carbon dioxide (CO2), humidity, temperature, airborne chemicals (VOCs), and air pressure. When there is so much that is out of your control-pollution, asthma, allergies, wildfire, virus-you have more control than you think when it comes to indoor air quality with View Plus. View series products are: battery operated or use USB plug; wireless and WiFi-connected; work as a hub; include a customizable display; connected to an app (iOS/Android) and online dashboard with full data and reporting.
    See all Home Alarms & Sensors
    Your price for this item is $299.99
    See all Home Alarms & Sensors
  8. Walker Edison - Modern Open 6 Cubby Storage TV Stand for TVs up to 78" - Charcoal - Front_Zoom
    Top comment

    "This Walker Edison TV stand is elegant and modern with multiple color options to fit any taste and decor. ...Looks awesome with my sound system."

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    Product Description

    Modern Open 6 Cubby Storage TV Stand for TVs up to 78"
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    Top comment

    "This Walker Edison TV stand is elegant and modern with multiple color options to fit any taste and decor. ...Looks awesome with my sound system."

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    Product Description

    Modern Open 6 Cubby Storage TV Stand for TVs up to 78"
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    Your price for this item is $181.99
    Clearance
    The regular price is $329.99
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  9. Ring - Retrofit Alarm Kit - White - Front_Zoom

    Model: 4AW1SZ-0EN0
    SKU: 6402167
    Top comment

    "Great product, allows the Ring Alarm to work with old pre-wired systems....Great solution to swapping alarm system....I converted my old alarm system over to Ring using the retrofit system. "

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    Product Description

    Have a wired alarm system? Make it smart with Ring Retrofit Kit – a wired-to-wireless bridge that conveniently connects your existing hardwired contact sensors to your Ring Alarm. Wire up to 8 zones with one Retrofit Alarm Kit (Note: not for use with wired smoke or CO detectors or existing keypads) then control it all from the free Ring App. Receive mobile notifications when connected wired zones are opened. Arm and disarm your system with a simple tap. Even manage all your Ring Video Doorbells, Cameras and Alarm devices from one simple dashboard. *Existing wired contact zones must be in good working order.
    See all Home Security Accessories
    Top comment

    "Great product, allows the Ring Alarm to work with old pre-wired systems....Great solution to swapping alarm system....I converted my old alarm system over to Ring using the retrofit system. "

    See all customer reviews

    Product Description

    Have a wired alarm system? Make it smart with Ring Retrofit Kit – a wired-to-wireless bridge that conveniently connects your existing hardwired contact sensors to your Ring Alarm. Wire up to 8 zones with one Retrofit Alarm Kit (Note: not for use with wired smoke or CO detectors or existing keypads) then control it all from the free Ring App. Receive mobile notifications when connected wired zones are opened. Arm and disarm your system with a simple tap. Even manage all your Ring Video Doorbells, Cameras and Alarm devices from one simple dashboard. *Existing wired contact zones must be in good working order.
    See all Home Security Accessories
    Your price for this item is $149.99
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  10. Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White - Front_Zoom
    Top comment

    "Always had a popular alarm system. So glad I switched to ring...Great option to alarm systems...Excellent choice for your home monitoring alarm system."

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    Product Description

    Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).
    See all Door & Window Alarms
    Top comment

    "Always had a popular alarm system. So glad I switched to ring...Great option to alarm systems...Excellent choice for your home monitoring alarm system."

    See all customer reviews

    Product Description

    Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).
    See all Door & Window Alarms
    Your price for this item is $39.99
    See all Door & Window Alarms
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