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Best Buy customers often prefer the following products when searching for Security Systems.

Whether you're a homeowner who wants to protect your family and property, or a business owner who needs to protect your employees and inventory, there are a number of options for security systems. These security systems are designed to be easy to use, so you can get on with your day without having to worry about complex setup procedures. They're also reliable and effective at keeping everything safe. Browse the top-ranked list of security systems below along with associated reviews and opinions.

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  1. SimpliSafe - 7pc Indoor Security System - White - Front_Zoom
    Top comment

    "Security System - easy...Home Security...Alarm system works as expected i feel much safer in my home!"

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    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees.This 7-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
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    Top comment

    "Security System - easy...Home Security...Alarm system works as expected i feel much safer in my home!"

    See all customer reviews

    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. That’s the unmatched combination that separates SimpliSafe Home Security from the others. At SimpliSafe, we believe everyone deserves to feel safe at home. That's why our bundles are designed to be effective yet affordable. And with no long-term contracts or hidden fees.This 7-piece wireless security bundle provides 24/7 protection. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection with a professional monitoring plan, plus a back up battery that lasts up to 24 hours and a loud, 100 dB siren. The smash-safe Keypad is soft to the touch, easy to use during the day and night, and requires no plug so it can be placed anywhere. Entry Sensors (4 total) protect your doors, windows, and cabinets and are designed to blend into the background. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
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    Your price for this item is $114.99
    The comparable value price is $229.99

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  2. SimpliSafe - Whole Home Security System 9-piece - White - Front_Zoom
    Top comment

    "SimpliSafe system...After researching several alarm systems, this one stood out as the best option for me....Great Security System!...Great Security System! We purchased this system and love it."

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    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece bundle provides layers of whole home protection from the outside in. Outside, the Wireless Outdoor Security camera keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. Inside, the wired Indoor security camera lets you see what's happening with crystal clear 1080p HD video as well as a 120° field of view day and night. A smash-safe Keypad that is soft to touch, easy to use during the day and night, and is wireless. The Base Station is the brains of the system and includes a battery backup that lasts up to 24 hours and a 95 dB siren. Entry Sensors (4 total) protect your doors, windows, and cabinets. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
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    Top comment

    "SimpliSafe system...After researching several alarm systems, this one stood out as the best option for me....Great Security System!...Great Security System! We purchased this system and love it."

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    Product Description

    SimpliSafe delivers advanced security solutions that put you, your home, and your safety first. With optional professional monitoring powered by Fast Protect Technology, SimpliSafe combines innovative hardware with advanced AI and real people — for 24/7 professional monitoring that delivers fast emergency response when you need it most. The award-winning SimpliSafe system is effective, intuitive, and affordable – so that home can be safe and secure for everyone. You can protect every inch of your home. SimpliSafe has sensors for every room, window and door. HD security cameras for inside and out. Smarter ways to detect motion that alert you only when a threat is real. Hazard sensors that detect floods, and other threats to your home. Powerful sirens that can help stop intruders in their tracks. And, it’s backed by optional 24/7 professional monitoring—experts who are ready to dispatch emergency help immediately. That’s the unmatched combination that separates SimpliSafe Home Security from the others. Our bundles are designed from the start to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-piece bundle provides layers of whole home protection from the outside in. Outside, the Wireless Outdoor Security camera keeps watch with a 140 degree field of view, 1080p HD resolution and color night vision, and includes 2-way audio. Inside, the wired Indoor security camera lets you see what's happening with crystal clear 1080p HD video as well as a 120° field of view day and night. A smash-safe Keypad that is soft to touch, easy to use during the day and night, and is wireless. The Base Station is the brains of the system and includes a battery backup that lasts up to 24 hours and a 95 dB siren. Entry Sensors (4 total) protect your doors, windows, and cabinets. And the Motion Sensor is designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
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    Your price for this item is $83.99
    Clearance
    The comparable value price is $399.99
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  3. eufy - eufyCam 3, 3-Outdoor Wireless 4K Solar Powered Security Cameras with HomeBase 3 - White - Front_Zoom
    Top comment

    "Security camera system...Store reps very helpful with systems info of multiple brands and their features. ...Eufy Camera System...I have two houses and I have two of these systems. Excellent set up!"

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    Product Description

    Expand your home protection with the 3-pack eufyCam 3 system. Featuring 365-day solar powered battery life, motion-activated spotlight and flexible installation, you remain watchful over your home from anywhere, anytime. Three cameras deliver crisp, full color 4K clarity for highly detailed views of what is occurring around your home during the day and evening. Exclusive BionicMind self-learning AI can differentiate between family and strangers with up to 99.9% accuracy, so you only receive alerts of new or unfamiliar faces over time. With expandable local storage up to 16TB and no monthly subscription fees, you remain in full control of the footage captured by eufyCam 3.
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    Top comment

    "Security camera system...Store reps very helpful with systems info of multiple brands and their features. ...Eufy Camera System...I have two houses and I have two of these systems. Excellent set up!"

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    Product Description

    Expand your home protection with the 3-pack eufyCam 3 system. Featuring 365-day solar powered battery life, motion-activated spotlight and flexible installation, you remain watchful over your home from anywhere, anytime. Three cameras deliver crisp, full color 4K clarity for highly detailed views of what is occurring around your home during the day and evening. Exclusive BionicMind self-learning AI can differentiate between family and strangers with up to 99.9% accuracy, so you only receive alerts of new or unfamiliar faces over time. With expandable local storage up to 16TB and no monthly subscription fees, you remain in full control of the footage captured by eufyCam 3.
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    Your price for this item is $349.99
    The comparable value price is $599.99

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  4. Roku - Indoor Camera - Home Security - 2-Pack - Wired Security Camera with 1080p HD Color Night Vision, WDR & Wi-Fi 6 - White - Front_Zoom
    Top comment

    "I bought back in December 2022 and it is still running strong I highly recommend if your in the business to purchase security system that works...Great amazing cheap and easy system to set up system. Just buy the camera and use any tv."

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    Product Description

    Roku Wired Indoor Camera from America’s #1 TV streaming company now brings your home to your screen. Place this home security camera in the kids' room, near the front door, or anywhere you want to watch closely, and catch all the action on HD video. Pull up a live feed from the couch on your Roku TV or player, or the Roku Smart Home mobile app. Automatic motion and sound detection alerts you of accidents about to happen, so you have enough time to say “Stop it!” with clear two-way audio. A built-in siren deters unwanted visitors, while customized motion detection ensures it won’t mistake a curtain for a threat. Plus, automatic software updates mean your Roku camera always offers the best performance and security.
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    Top comment

    "I bought back in December 2022 and it is still running strong I highly recommend if your in the business to purchase security system that works...Great amazing cheap and easy system to set up system. Just buy the camera and use any tv."

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    Product Description

    Roku Wired Indoor Camera from America’s #1 TV streaming company now brings your home to your screen. Place this home security camera in the kids' room, near the front door, or anywhere you want to watch closely, and catch all the action on HD video. Pull up a live feed from the couch on your Roku TV or player, or the Roku Smart Home mobile app. Automatic motion and sound detection alerts you of accidents about to happen, so you have enough time to say “Stop it!” with clear two-way audio. A built-in siren deters unwanted visitors, while customized motion detection ensures it won’t mistake a curtain for a threat. Plus, automatic software updates mean your Roku camera always offers the best performance and security.
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    Your price for this item is $54.99

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  5. Night Owl - 12-Channel, 8-Camera Indoor/Outdoor Wired IP 4K 2TB NVR Security System - Black and White - Black/White - Front_Zoom
    Top comment

    "Great System...The system itself is great, however my only complaint is that i ran all my cables to a patch panel in my closet where all my network gear is at. ...System powered up without issue....Have not run wires and cameras yet. System powered up without issue and all cameras worked. "

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    Product Description

    When life gets hard, make your security easy. Introducing our new 4K 2-Way Audio NVR Security System. With secure app-based Bluetooth setup, there is no need to connect a TV or monitor for setup or viewing (optional). Easily set up the system right from the convenience of your mobile device. Your 4K wired IP cameras have full-color day viewing and full-color night vision up to 100 ft., which provides colorful recordings that capture every detail. With a bright built-in spotlight, you can light up the dark and ward off unwanted guests. For situations where seeing is not enough, easily make your voice heard. With 2-way audio you can listen and talk with anyone who approaches, making your presence known. Still not enough? Use our preset voice alerts and booming camera siren to shout a warning when a suspicious stranger nears. You will receive key alerts to your mobile device for important matters, such as people and vehicles as they arrive and depart. All recordings and personal data are privately stored on the recorder’s hard drive for secure access with zero costs. Your privacy matters and your recordings and for your eyes only. Built for outdoor use, your cameras can handle anything mother nature throws their way, from extreme heat and cold, to rain or sleet. Use them indoors or outdoors to cover what you want, when you want. Need more coverage? Easily add our compatible wired, Wi-Fi IP and doorbell cameras to your recorder to boost your viewing area. This system is a one-time purchase and there are no hidden costs. Use our free mobile app for iOS and Android Smart Devices to stay connected and easily access your recordings with no fees.
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    Top comment

    "Great System...The system itself is great, however my only complaint is that i ran all my cables to a patch panel in my closet where all my network gear is at. ...System powered up without issue....Have not run wires and cameras yet. System powered up without issue and all cameras worked. "

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    Product Description

    When life gets hard, make your security easy. Introducing our new 4K 2-Way Audio NVR Security System. With secure app-based Bluetooth setup, there is no need to connect a TV or monitor for setup or viewing (optional). Easily set up the system right from the convenience of your mobile device. Your 4K wired IP cameras have full-color day viewing and full-color night vision up to 100 ft., which provides colorful recordings that capture every detail. With a bright built-in spotlight, you can light up the dark and ward off unwanted guests. For situations where seeing is not enough, easily make your voice heard. With 2-way audio you can listen and talk with anyone who approaches, making your presence known. Still not enough? Use our preset voice alerts and booming camera siren to shout a warning when a suspicious stranger nears. You will receive key alerts to your mobile device for important matters, such as people and vehicles as they arrive and depart. All recordings and personal data are privately stored on the recorder’s hard drive for secure access with zero costs. Your privacy matters and your recordings and for your eyes only. Built for outdoor use, your cameras can handle anything mother nature throws their way, from extreme heat and cold, to rain or sleet. Use them indoors or outdoors to cover what you want, when you want. Need more coverage? Easily add our compatible wired, Wi-Fi IP and doorbell cameras to your recorder to boost your viewing area. This system is a one-time purchase and there are no hidden costs. Use our free mobile app for iOS and Android Smart Devices to stay connected and easily access your recordings with no fees.
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    Your price for this item is $799.99

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  6. Blink - Outdoor 4 XR — Wireless security camera with extended range, up to 400 feet. Sync Module XR included — 4 Cameras - Black - Front_Zoom
    Top comment

    "Blink Security Systems...Great night vision and over all perfect security Great Price...Easy to add my existing blink system to the new sync module."

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    Product Description

    Wireless security camera with extended range, go up to 400 feet from your home. Sync Module XR included — 4 camera system
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    Top comment

    "Blink Security Systems...Great night vision and over all perfect security Great Price...Easy to add my existing blink system to the new sync module."

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    Product Description

    Wireless security camera with extended range, go up to 400 feet from your home. Sync Module XR included — 4 camera system
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    Your price for this item is $119.99
    The comparable value price is $299.99

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  7. Blink - Outdoor 4 – Wireless smart security camera, two-year battery life, 1080p HD. Sync Module Core included – 2 Cameras - Black - Front_Zoom
    Top comment

    "Clear picture, good home monitoring system...The outdoor mounting system was a little confusing to me but I didn’t need it anyway. ...Great system for the price...Wish it wasn’t subscription based but great system for the price. Good night vision."

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    Product Description

    Wireless smart security camera, two-year battery life, 1080p HD day and infrared night live view, two-way talk. Sync Module Core included – 2 camera system
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    Top comment

    "Clear picture, good home monitoring system...The outdoor mounting system was a little confusing to me but I didn’t need it anyway. ...Great system for the price...Wish it wasn’t subscription based but great system for the price. Good night vision."

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    Product Description

    Wireless smart security camera, two-year battery life, 1080p HD day and infrared night live view, two-way talk. Sync Module Core included – 2 camera system
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    Your price for this item is $51.99
    The comparable value price is $129.99

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  8. Blink - Outdoor 4 XR — Wireless security camera with extended range, up to 400 feet. Sync Module XR included — 6 Cameras - Black - Front_Zoom
    Top comment

    "Blink security system...Blink Security...Great Product and Price for a security system with 6 cameras!"

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    Product Description

    Wireless security camera with extended range, go up to 400 feet from your home. Sync Module XR included — 6 camera system
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    Top comment

    "Blink security system...Blink Security...Great Product and Price for a security system with 6 cameras!"

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    Product Description

    Wireless security camera with extended range, go up to 400 feet from your home. Sync Module XR included — 6 camera system
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    Your price for this item is $184.99
    The comparable value price is $419.99

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  9. Blink - Outdoor 4 – Wireless smart security camera, two-year battery life, 1080p HD. Sync Module Core included – 3 Cameras - Black - Front_Zoom
    Top comment

    "Great security system...Great home security system. Picture quality is great and easy set up...Great camera system...A like the camera system it is clear and crisp and always alerts me. "

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    Product Description

    Wireless smart security camera, two-year battery life, 1080p HD day and infrared night live view, two-way talk. Sync Module Core included – 3 camera system
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    Top comment

    "Great security system...Great home security system. Picture quality is great and easy set up...Great camera system...A like the camera system it is clear and crisp and always alerts me. "

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    Product Description

    Wireless smart security camera, two-year battery life, 1080p HD day and infrared night live view, two-way talk. Sync Module Core included – 3 camera system
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    Your price for this item is $74.99
    The comparable value price is $189.99

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  10. Night Owl - 8-Channel, 4-Camera Indoor/Outdoor Plug-In Wi-Fi IP 4K 64GB Security System - White - Front_Zoom
    Top comment

    "Great security system. Love the ability to view each corner of the house....VERY GOOD SECURITY SYSTEM FOR MY SHED...I loved the cameras soooo much and i like them wireless from the recorder im buy another system i think"

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    Product Description

    Introducing the Night Owl Wi-Fi Hub with Plug-in Wireless 4K Deterrence Cameras, designed to provide unparalleled security and convenience. Each camera captures stunning 4K video and features onboard AI for human and vehicle detection, offering precise alerts that minimize false notifications. Included is a 64GB microSD card for free local storage, with the option to expand to a hard drive (sold separately) for even more storage capacity. With HDMI spot out view, you can easily view your cameras on a TV or monitor utilizing our free mobile app. Built to withstand the elements, these weather-resistant cameras are perfect for both indoor and outdoor use. The cameras are AC-powered, plug-and-play, making them incredibly easy to install and move as your coverage needs change. The Night Owl Wi-Fi Hub creates a secure wireless network, safeguarding your data privacy while keeping your property under constant surveillance. By choosing Night Owl, you eliminate the hassle of mandatory monthly fees, subscription costs and hidden charges. Protect your property with confidence, knowing that your data remains private and secure, and enjoy the peace of mind that comes with comprehensive, state-of-the-art surveillance technology.
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    Top comment

    "Great security system. Love the ability to view each corner of the house....VERY GOOD SECURITY SYSTEM FOR MY SHED...I loved the cameras soooo much and i like them wireless from the recorder im buy another system i think"

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    Product Description

    Introducing the Night Owl Wi-Fi Hub with Plug-in Wireless 4K Deterrence Cameras, designed to provide unparalleled security and convenience. Each camera captures stunning 4K video and features onboard AI for human and vehicle detection, offering precise alerts that minimize false notifications. Included is a 64GB microSD card for free local storage, with the option to expand to a hard drive (sold separately) for even more storage capacity. With HDMI spot out view, you can easily view your cameras on a TV or monitor utilizing our free mobile app. Built to withstand the elements, these weather-resistant cameras are perfect for both indoor and outdoor use. The cameras are AC-powered, plug-and-play, making them incredibly easy to install and move as your coverage needs change. The Night Owl Wi-Fi Hub creates a secure wireless network, safeguarding your data privacy while keeping your property under constant surveillance. By choosing Night Owl, you eliminate the hassle of mandatory monthly fees, subscription costs and hidden charges. Protect your property with confidence, knowing that your data remains private and secure, and enjoy the peace of mind that comes with comprehensive, state-of-the-art surveillance technology.
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    Your price for this item is $239.99
    The comparable value price is $359.99

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