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

If you're looking for a home security system, but want to avoid the monthly fees, an alarm monitoring system may be your best bet. These systems are self-monitored, which means you can take care of any issues yourself. Here's are some top-rated options.

Main Results
  1. SimpliSafe - Smoke Detector - White - Front_Zoom

    Model: SSSD3
    SKU: 6520590
    Top comment

    "Simplisafe is the best alarm system out there - I switched from ATDT and was the best move I made - easy to install - great response from monitoring center...Very happy with my overall purchase of these items aling with several other accessories for her Simplisafe System for her home. Thank You!!...Simplisafe Fire Alarm...Great system"

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    Product Description

    Protect your home and family from fires with the SimpliSafe Smoke Detector that's fully connected to your SimpliSafe Home Security System. You’ll get an instant alert sent to your phone when dangerous levels of smoke are detected. Plus, with a 24/7 Professional Monitoring Plan, the smoke detector alerts our monitoring center in an emergency. That means you’ll get a fast response from firefighters.
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    Top comment

    "Simplisafe is the best alarm system out there - I switched from ATDT and was the best move I made - easy to install - great response from monitoring center...Very happy with my overall purchase of these items aling with several other accessories for her Simplisafe System for her home. Thank You!!...Simplisafe Fire Alarm...Great system"

    See all customer reviews

    Product Description

    Protect your home and family from fires with the SimpliSafe Smoke Detector that's fully connected to your SimpliSafe Home Security System. You’ll get an instant alert sent to your phone when dangerous levels of smoke are detected. Plus, with a 24/7 Professional Monitoring Plan, the smoke detector alerts our monitoring center in an emergency. That means you’ll get a fast response from firefighters.
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    Your price for this item is $34.99
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  2. Kangaroo - 2-Camera Indoor/Outdoor Wired 1080p Surveillance System - White - Front_Zoom
    Top comment

    "The motion works when alarm is set. For inexpensive system works ok....simple surveillance system."

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    Product Description

    Rain or shine, day or night, you can finally see it all with our 2-Camera Indoor/Outdoor Wired 1080p Surveillance System. This versatile gadget detects and captures activity to keep your home safe from the outside and in. Designed to withstand any weather and environmental elements, yet compact enough for indoor use, it records footage and allows you to live-stream from the Kangaroo app. So whether you’re picking up the kids from school or lying on a beach, you’re never too far from home and can access clips whenever you need peace of mind. Plus, with motion and person detection, you’ll always know who’s lurking and will be immediately notified of any incidents. Premium Features Out-of-the-Box: Your device with 1-Year Cam Protect included means access to all features and coverage from the start. Cloud + Local Storage: Never miss a thing with 30 days of Cloud Storage and a MicroSD port to store even more. $250 Theft or Damage Reimbursement: We don't just have your back, we pay you back in the event of an incident when caught on your camera.
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    Top comment

    "The motion works when alarm is set. For inexpensive system works ok....simple surveillance system."

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    Product Description

    Rain or shine, day or night, you can finally see it all with our 2-Camera Indoor/Outdoor Wired 1080p Surveillance System. This versatile gadget detects and captures activity to keep your home safe from the outside and in. Designed to withstand any weather and environmental elements, yet compact enough for indoor use, it records footage and allows you to live-stream from the Kangaroo app. So whether you’re picking up the kids from school or lying on a beach, you’re never too far from home and can access clips whenever you need peace of mind. Plus, with motion and person detection, you’ll always know who’s lurking and will be immediately notified of any incidents. Premium Features Out-of-the-Box: Your device with 1-Year Cam Protect included means access to all features and coverage from the start. Cloud + Local Storage: Never miss a thing with 30 days of Cloud Storage and a MicroSD port to store even more. $250 Theft or Damage Reimbursement: We don't just have your back, we pay you back in the event of an incident when caught on your camera.
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    Your price for this item is $99.99
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  3. SimpliSafe - Home Security System with Indoor and Outdoor Cameras - 17 Piece System - White - Front_Zoom
    Top comment

    "Excellent system and easy to install...Im try to get an alarm system for home and finally found a good one. ...With our without connecting to a monitoring company, I feel that having the siren and window stickers announcing the alarm system will be enough to deter some break-ins."

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    Product Description

    It’s easy to transform your home into a safe haven with SimpliSafe’s award-winning security system. Everything is simple to set up, effortless to use, and designed to do one thing only: keep your home and family safe. Indoor and outdoor security cameras let you see everything happening in full HD. So you can spot trouble and capture the evidence. If someone tries to break in, advanced sensors will sound the alarm. And it's powered with optional 24/7 professional monitoring. Agents keep watch even when you can't, ready to instantly alert emergency responders - and they stay on the line with you until they arrive. So no matter where you are or what you're doing, your home is protected 24/7. There's no safe like SimpliSafe.
    See all Security Camera & System Accessories
    Top comment

    "Excellent system and easy to install...Im try to get an alarm system for home and finally found a good one. ...With our without connecting to a monitoring company, I feel that having the siren and window stickers announcing the alarm system will be enough to deter some break-ins."

    See all customer reviews

    Product Description

    It’s easy to transform your home into a safe haven with SimpliSafe’s award-winning security system. Everything is simple to set up, effortless to use, and designed to do one thing only: keep your home and family safe. Indoor and outdoor security cameras let you see everything happening in full HD. So you can spot trouble and capture the evidence. If someone tries to break in, advanced sensors will sound the alarm. And it's powered with optional 24/7 professional monitoring. Agents keep watch even when you can't, ready to instantly alert emergency responders - and they stay on the line with you until they arrive. So no matter where you are or what you're doing, your home is protected 24/7. There's no safe like SimpliSafe.
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    Your price for this item is $599.99
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  4. SimpliSafe - Home Security System Plus with Indoor and Outdoor Cameras - 12 Piece System - Whie - Front_Zoom
    Top comment

    "If you need an alarm system, you wouldn’t have the wrong choice with this Simplisafe bundle. ...Completed alarm system...Great system for the money. It seems to be easy to install."

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    Product Description

    It’s easy to transform your home into a safe haven with SimpliSafe’s award-winning security system. Everything is simple to set up, effortless to use, and designed to do one thing only: keep your home and family safe. Indoor and outdoor security cameras let you see everything happening in full HD. So you can spot trouble and capture the evidence. If someone tries to break in, advanced sensors will sound the alarm. And it's powered with optional 24/7 professional monitoring. Agents keep watch even when you can't, ready to instantly alert emergency responders - and they stay on the line with you until they arrive. So no matter where you are or what you're doing, your home is protected 24/7. There's no safe like SimpliSafe.
    See all Security Camera & System Accessories
    Top comment

    "If you need an alarm system, you wouldn’t have the wrong choice with this Simplisafe bundle. ...Completed alarm system...Great system for the money. It seems to be easy to install."

    See all customer reviews

    Product Description

    It’s easy to transform your home into a safe haven with SimpliSafe’s award-winning security system. Everything is simple to set up, effortless to use, and designed to do one thing only: keep your home and family safe. Indoor and outdoor security cameras let you see everything happening in full HD. So you can spot trouble and capture the evidence. If someone tries to break in, advanced sensors will sound the alarm. And it's powered with optional 24/7 professional monitoring. Agents keep watch even when you can't, ready to instantly alert emergency responders - and they stay on the line with you until they arrive. So no matter where you are or what you're doing, your home is protected 24/7. There's no safe like SimpliSafe.
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    Your price for this item is $649.99
    See all Security Camera & System Accessories
  5. Ring - Alarm Motion Detector (2nd Gen) (2-Pack) - White - Front_Zoom
    Top comment

    "Adds motion zones to Ring Alarm system...Nice addition to Ring Alarm system to add more motion zones. Easy to setup....Connected easily with alarm system...We got these extras for our alarm system and it connected easily!"

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    Product Description

    Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!
    See all Motion Sensors & Detectors
    Top comment

    "Adds motion zones to Ring Alarm system...Nice addition to Ring Alarm system to add more motion zones. Easy to setup....Connected easily with alarm system...We got these extras for our alarm system and it connected easily!"

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    Product Description

    Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!
    See all Motion Sensors & Detectors
    Your price for this item is $59.99
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  6. Ring - Alarm Motion Detector (2nd Gen) (1-Pack) - White - Front_Zoom
    Top comment

    "I paired it with the rest of my Ring alarm system and it’s easily detecting any movement....Bought this motion detector to add to our existing alarm system. Super easy to install and setup on the existing system."

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    Product Description

    Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!
    See all Motion Sensors & Detectors
    Top comment

    "I paired it with the rest of my Ring alarm system and it’s easily detecting any movement....Bought this motion detector to add to our existing alarm system. Super easy to install and setup on the existing system."

    See all customer reviews

    Product Description

    Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!
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    Your price for this item is $29.99
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  7. Ring - Alarm Glass Break Sensor (2-Pack) - White - Front_Zoom
    Top comment

    "Otherwise looks good on wall and the way it works is when you arm the system only so it can save battery and wont report false alarms while you are at home....Got this to complete the ring alarm system, installed it, but unable to verify it’s working, hope it will like it says."

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    Product Description

    Monitor glass windows and doors for break-in attempts with Ring Alarm Glass Break Sensor. Using AI technology, the sensor detects the sound of glass breaking up to 25 feet. You’ll receive notifications whenever breaking glass is detected (Requires Ring Alarm or Ring Alarm Pro), or receive a call from our monitoring center if you have enrolled in professional monitoring with a Ring Protect Pro subscription ( Optional 24/7 Professional Monitoring (requires Ring Protect Pro subscription, sold separately)(Ring Alarm and the professional monitoring service are available and ship only within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec)).
    See all Door & Window Alarms
    Top comment

    "Otherwise looks good on wall and the way it works is when you arm the system only so it can save battery and wont report false alarms while you are at home....Got this to complete the ring alarm system, installed it, but unable to verify it’s working, hope it will like it says."

    See all customer reviews

    Product Description

    Monitor glass windows and doors for break-in attempts with Ring Alarm Glass Break Sensor. Using AI technology, the sensor detects the sound of glass breaking up to 25 feet. You’ll receive notifications whenever breaking glass is detected (Requires Ring Alarm or Ring Alarm Pro), or receive a call from our monitoring center if you have enrolled in professional monitoring with a Ring Protect Pro subscription ( Optional 24/7 Professional Monitoring (requires Ring Protect Pro subscription, sold separately)(Ring Alarm and the professional monitoring service are available and ship only within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec)).
    See all Door & Window Alarms
    Your price for this item is $69.99
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  8. Ring - Retrofit Alarm Kit - White - Front_Zoom

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

    "Clear picture quality and alarm system...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.
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    Top comment

    "Clear picture quality and alarm system...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.
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    Your price for this item is $149.99
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  9. Ring - Alarm Range Extender (2nd Gen) - White - Front_Zoom

    Model: 4AR1SZ-0EN0
    SKU: 6403962
    Top comment

    "Easy to install and works great with Generation 1 Ring Alarm...We bought the Alarm Range Extender to make sure our system always works and has no issues. "

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    Product Description

    Add Range Extenders throughout your home to extend the signal from your Ring Alarm Base Station to all its components, so you can make sure your entire system stays online.*Requires Ring Alarm Security Kit (Gen 2)
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    Top comment

    "Easy to install and works great with Generation 1 Ring Alarm...We bought the Alarm Range Extender to make sure our system always works and has no issues. "

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    Product Description

    Add Range Extenders throughout your home to extend the signal from your Ring Alarm Base Station to all its components, so you can make sure your entire system stays online.*Requires Ring Alarm Security Kit (Gen 2)
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    Your price for this item is $24.99
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  10. Swann - 8 Channel 4 Cam Indoor Outdoor PoE Wired Cat5e 4K HD Video 2TB NVR Security Surveillance Camera System w/ LED Lights - White - Front_Zoom
    Top comment

    "This system has 2 TB worth of storage, which is typically, again, enough for the average person. ...Next step download and install Swann Security APP to your phone, which will guide your through the system setup. The system has the right ingredients backed into the system providing you with rock solid security monitoring from home or across the world. "

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    Product Description

    The Swann Master-Series 4 Camera, 2TB NVR security system is packed with the latest surveillance tech such as night vision, sensor spotlights, motion detection recording and smartphone integration. You'll be able to see fine details essential for evidence with state-of-the-art upscaling cameras that cleverly create a 4K display resolution with powerful digital zoom to actively watch over entrances, yards, driveways, parking lots, shop floors, storerooms, and customer service areas. With the Swann Security app, you can even watch live or playback video on your smartphone from anywhere in the world. In fact, you can view any of the cameras on your smart TV, and speak to see hands-free via Hey Google and Alexa devices. Know what’s happening at any hour with powerful infrared night vision and the ability to see color video at night. Swann’s True Detect™ heat and motion detection senses people and cars for more reliable monitoring and fewer false alarms. Set up Person Detection at certain times of the day to trigger recording and alerts. Mount the cameras inside or outdoors as their weatherproof design is built to withstand rain, snow and heat, all year round. With this system you’ll get free local recording for up to 180 days+ onto the massive 2TB hard drive with no subscription fees ever and the option to backup video to your Dropbox account.
    See all Security Camera Systems
    Top comment

    "This system has 2 TB worth of storage, which is typically, again, enough for the average person. ...Next step download and install Swann Security APP to your phone, which will guide your through the system setup. The system has the right ingredients backed into the system providing you with rock solid security monitoring from home or across the world. "

    See all customer reviews

    Product Description

    The Swann Master-Series 4 Camera, 2TB NVR security system is packed with the latest surveillance tech such as night vision, sensor spotlights, motion detection recording and smartphone integration. You'll be able to see fine details essential for evidence with state-of-the-art upscaling cameras that cleverly create a 4K display resolution with powerful digital zoom to actively watch over entrances, yards, driveways, parking lots, shop floors, storerooms, and customer service areas. With the Swann Security app, you can even watch live or playback video on your smartphone from anywhere in the world. In fact, you can view any of the cameras on your smart TV, and speak to see hands-free via Hey Google and Alexa devices. Know what’s happening at any hour with powerful infrared night vision and the ability to see color video at night. Swann’s True Detect™ heat and motion detection senses people and cars for more reliable monitoring and fewer false alarms. Set up Person Detection at certain times of the day to trigger recording and alerts. Mount the cameras inside or outdoors as their weatherproof design is built to withstand rain, snow and heat, all year round. With this system you’ll get free local recording for up to 180 days+ onto the massive 2TB hard drive with no subscription fees ever and the option to backup video to your Dropbox account.
    See all Security Camera Systems
    Your price for this item is $479.99
    The previous price was $579.99
    See all Security Camera Systems
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