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Best Buy customers often prefer the following products when searching for wireless security alarms.

The best wireless security alarms provide peace of mind and help you feel safe and secure in your home. It helps you keep your home and loved ones safe as these appliances notify and alert you about motions. Browse the top-ranked list of wireless security alarms below along with associated reviews and opinions.

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  1. Swann - Wireless Window and Door Alert Sensor - White - Front_Zoom
    Top comment

    "Easy security...Install was easy and while I hope we never actually have to rely on this for security, if that day does come, I'll be glad it's there for us....Okay alarm...[This review was collected as part of a promotion.] This alarm is okay it was easy to install one major thing that I do not like about this alarm is that it doesn’t make any type of noise what so ever. "

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    Product Description

    Attach this Sensor where it’s needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more! The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that’s a powerful deterrent for intruders.
    See all Door & Window Alarms
    Top comment

    "Easy security...Install was easy and while I hope we never actually have to rely on this for security, if that day does come, I'll be glad it's there for us....Okay alarm...[This review was collected as part of a promotion.] This alarm is okay it was easy to install one major thing that I do not like about this alarm is that it doesn’t make any type of noise what so ever. "

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    Product Description

    Attach this Sensor where it’s needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more! The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that’s a powerful deterrent for intruders.
    See all Door & Window Alarms
    See all Door & Window Alarms
  2. SimpliSafe - 2 Camera Outdoor Wireless Security System with 5 Sensors - White - Front_Zoom
    Top comment

    "Great security system...Security system"

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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 to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-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 and includes a back up battery that lasts up to 24 hours and a loud, 95 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. The Wireless Outdoor Security cameras (2 total) keep watch with a 140 degree field of view, 1080p HD resolution and color night vision, and include 2-way audio so you can tell unwanted guests that they're being watched. The 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.
    See all Home Security Systems
    Top comment

    "Great security system...Security system"

    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. 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 to be effective yet affordable. And with no long-term contracts or hidden fees. This 9-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 and includes a back up battery that lasts up to 24 hours and a loud, 95 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. The Wireless Outdoor Security cameras (2 total) keep watch with a 140 degree field of view, 1080p HD resolution and color night vision, and include 2-way audio so you can tell unwanted guests that they're being watched. The 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.
    See all Home Security Systems
    See all Home Security Systems
  3. SimpliSafe - Whole Home Security System 9-piece - White - Front_Zoom
    Top comment

    "Great security system...This is great security system except audio of outdoor wireless camera is not that good....Top quality alarm...Great security system. Well worth the price, very good quality."

    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. 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.
    See all Home Security Systems
    Top comment

    "Great security system...This is great security system except audio of outdoor wireless camera is not that good....Top quality alarm...Great security system. Well worth the price, very good quality."

    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. 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.
    See all Home Security Systems
    See all Home Security Systems
  4. SimpliSafe - Indoor Home Security System with Smart Alarm Wireless Indoor Camera 8-piece - White - Angle_Zoom
    Top comment

    "Security system....The SimpliSafe 8pc Indoor Security Kit is a popular DIY home security system that is known for its ease of use, flexibility, and affordability. "

    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. 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 8-piece bundle provides 24/7 protection. The Smart Alarm Wireless Indoor Security Camera helps stop crime in real time with live guard protection that allows monitoring agents to see, speak to, and deter intruders during an active alarm*. The camera also features a built in privacy shutter that you control. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 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.
    See all Home Security Systems
    Top comment

    "Security system....The SimpliSafe 8pc Indoor Security Kit is a popular DIY home security system that is known for its ease of use, flexibility, and affordability. "

    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. 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 8-piece bundle provides 24/7 protection. The Smart Alarm Wireless Indoor Security Camera helps stop crime in real time with live guard protection that allows monitoring agents to see, speak to, and deter intruders during an active alarm*. The camera also features a built in privacy shutter that you control. The Base Station is the brains of the system. It sends alarm signals to the monitoring center with a built-in cellular connection and includes a back up battery that lasts up to 24 hours and a loud, 95 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.
    See all Home Security Systems
    See all Home Security Systems
  5. SimpliSafe - Indoor Home Security System (8-piece) - White - Front_Zoom
    Top comment

    "Simple. Reliable. Effective Alarm Package....Advancement in wireless security systems have come such a long way over the past couple of decades without all the issues and cost of hard-wired systems. ...Easy alarm...You can’t beat this price for security."

    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. 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. 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 8-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 and includes a back up battery that lasts up to 24 hours and a loud, 95 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 Motion Sensors (2 total) are designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    Top comment

    "Simple. Reliable. Effective Alarm Package....Advancement in wireless security systems have come such a long way over the past couple of decades without all the issues and cost of hard-wired systems. ...Easy alarm...You can’t beat this price for security."

    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. 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. 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 8-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 and includes a back up battery that lasts up to 24 hours and a loud, 95 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 Motion Sensors (2 total) are designed for human detection, not pet detection. Advanced security, whole home protection. There's no safe like SimpliSafe.
    See all Home Security Systems
    See all Home Security Systems
  6. Image Coming Soon - Arlo - Wireless Outdoor Siren - White

    Model: SLB1001-100NAS
    SKU: 6573734

    Product Description

    Extend your security to the outdoors by discouraging intruders with a loud wire-free siren, featuring weather-resistant construction, built in strobe and adjustable volume settings. SecureLink enables extended range and prolonged battery life.
    See all Home Security Accessories

    Product Description

    Extend your security to the outdoors by discouraging intruders with a loud wire-free siren, featuring weather-resistant construction, built in strobe and adjustable volume settings. SecureLink enables extended range and prolonged battery life.
    See all Home Security Accessories
    See all Home Security Accessories
  7. SimpliSafe - Rechargeable Battery for Outdoor Security Camera - Front_Zoom
    Top comment

    "Security camera battery...It is for a backyard security camera....I keep extra batteries available to swap into my SimpliSafe security devices while I recharge others."

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    Product Description

    Get your SimpliSafe Wireless Outdoor Security Camera up and running again in minutes with a back up battery that recharges in about five hours.
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    Top comment

    "Security camera battery...It is for a backyard security camera....I keep extra batteries available to swap into my SimpliSafe security devices while I recharge others."

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    Product Description

    Get your SimpliSafe Wireless Outdoor Security Camera up and running again in minutes with a back up battery that recharges in about five hours.
    See all Home Security Accessories
    See all Home Security Accessories
  8. SimpliSafe - Smoke Detector - White - Front_Zoom

    Model: SSSD3
    SKU: 6520590
    Top comment

    "These alarms work very well with the simplisafe system!...Works great with the third generation simplisafe alarm. Although freestanding and wireless, it is centrally monitored from base station, with a monthly charge. "

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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

    "These alarms work very well with the simplisafe system!...Works great with the third generation simplisafe alarm. Although freestanding and wireless, it is centrally monitored from base station, with a monthly charge. "

    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.
    See all Home Security Accessories
    See all Home Security Accessories
  9. Ring - Alarm Keypad (2nd Gen) - White - Front_Zoom

    Model: 4AK1SZ-0EN0
    SKU: 6403967
    Top comment

    "Simple keypad to easily arm and disarm ring alarm and security system. Easy to use and blends into wall...We’re very happy with our decision to can our old alarm company and go totally with the Ring system"

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    Product Description

    The Ring Alarm Keypad gives you indoor wireless access to easily arm and disarm your Ring Alarm when you’re home. Choose from Home, Away or Disarmed security modes. Home mode only arms select sensors to give you flexibility. Away mode activates all your sensors to protect your home while you’re away. Disarmed mode disarms your sensors and allows you to move freely throughout the house. The Keypad also features three emergency buttons to request police, fire or medical response when your Alarm is professionally monitored*. It’s easy to set up and only takes a few minutes to install. It plugs into a power outlet and comes with a rechargeable internal battery for a wireless solution.**
    See all Home Security Accessories
    Top comment

    "Simple keypad to easily arm and disarm ring alarm and security system. Easy to use and blends into wall...We’re very happy with our decision to can our old alarm company and go totally with the Ring system"

    See all customer reviews

    Product Description

    The Ring Alarm Keypad gives you indoor wireless access to easily arm and disarm your Ring Alarm when you’re home. Choose from Home, Away or Disarmed security modes. Home mode only arms select sensors to give you flexibility. Away mode activates all your sensors to protect your home while you’re away. Disarmed mode disarms your sensors and allows you to move freely throughout the house. The Keypad also features three emergency buttons to request police, fire or medical response when your Alarm is professionally monitored*. It’s easy to set up and only takes a few minutes to install. It plugs into a power outlet and comes with a rechargeable internal battery for a wireless solution.**
    See all Home Security Accessories
    See all Home Security Accessories
  10. Ring - Retrofit Alarm Kit - White - Front_Zoom

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

    "Updates and upgrades your wired security to RING...The home came with an excellent wired security system but no app or phone control. In minutes, this gadget upgraded the wired security to a modern keypad and also a phone access system It’s like wining a lottery...Home Security...Clear picture quality and alarm 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

    "Updates and upgrades your wired security to RING...The home came with an excellent wired security system but no app or phone control. In minutes, this gadget upgraded the wired security to a modern keypad and also a phone access system It’s like wining a lottery...Home Security...Clear picture quality and alarm 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
    See all Home Security Accessories
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