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

The best safety alarms are easy to install, easy to use and easy to hear. You want something that will help you keep your home safe, and you want it to be easy for you to hear when it's time to take action. Browse the top-ranked list of safety alarms below along with associated reviews and opinions.

Main Results
  1. Google - Nest Protect 2nd Generation (Battery) Smart Smoke/Carbon Monoxide Alarm - White - Angle_Zoom
    Top comment

    "We bought 8 to replace all the fire alarms that had expired in our home. We had a false alarm and we were very surprised and pleased to hear how loud the alarms were and for it to tell us exactly where the problem was. ...These alarms are great. Definitely adds value to the home as well as safety....Best Combo Alarm...Feel safe!!"

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    Product Description

    Nest Protect Smoke and Carbon Monoxide Alarm - 2nd Generation (Battery): Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "We bought 8 to replace all the fire alarms that had expired in our home. We had a false alarm and we were very surprised and pleased to hear how loud the alarms were and for it to tell us exactly where the problem was. ...These alarms are great. Definitely adds value to the home as well as safety....Best Combo Alarm...Feel safe!!"

    See all customer reviews

    Product Description

    Nest Protect Smoke and Carbon Monoxide Alarm - 2nd Generation (Battery): Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  2. First Alert - CO615 Carbon Monoxide Plug-In Alarm with Battery Backup CO615 - Front_Zoom
    Top comment

    "Safer home...great addition to safety. Easy to hook up and use....we feel safer knowing it's in place. we have one in basement and one on first floor."

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    Product Description

    Detect dangerous CO levels in your home with this First Alert CO615 carbon monoxide alarm. The plug-in design makes installation easy and lets you move the unit from room to room as needed. Battery backup on this First Alert carbon monoxide alarm keeps it working even during a power outage for added peace of mind and security.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Safer home...great addition to safety. Easy to hook up and use....we feel safer knowing it's in place. we have one in basement and one on first floor."

    See all customer reviews

    Product Description

    Detect dangerous CO levels in your home with this First Alert CO615 carbon monoxide alarm. The plug-in design makes installation easy and lets you move the unit from room to room as needed. Battery backup on this First Alert carbon monoxide alarm keeps it working even during a power outage for added peace of mind and security.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  3. First Alert - Dual-Sensor Smoke and Fire Alarm - Front_Zoom
    Top comment

    "Stay Safe!...Easy to install and gives me peace of mind. Great investment in safety!...Safety First @ Best Buy...Best Buy = Safety I ordered the alarms in the store and two days later - voila! "

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    Product Description

    Stay safe with this First Alert smoke and fire alarm. It uses ionization and photoelectric sensors to detect different types of fires, and its smart sensor can distinguish between real fires and false alarms to keep nuisance alerts to a minimum. This First Alert smoke and fire alarm has a low battery light to show when it's time for maintenance.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Stay Safe!...Easy to install and gives me peace of mind. Great investment in safety!...Safety First @ Best Buy...Best Buy = Safety I ordered the alarms in the store and two days later - voila! "

    See all customer reviews

    Product Description

    Stay safe with this First Alert smoke and fire alarm. It uses ionization and photoelectric sensors to detect different types of fires, and its smart sensor can distinguish between real fires and false alarms to keep nuisance alerts to a minimum. This First Alert smoke and fire alarm has a low battery light to show when it's time for maintenance.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  4. First Alert - Smoke and Carbon Monoxide Alarm - Works with Ring - White - Front_Zoom
    Top comment

    "Two alarms in one is convenient! It brings me comfort knowing my family will be safe....Best Fire Alarm...Safety First with the fire alarm. Works great and loud."

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    Product Description

    First Alert ZCOMBO is a state-of-the-art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, utilizes one test button to setup, test and silence. This combination alarm will operate with 3rd party, certified Z-Wave devices enabled with the First Alert protocol and the basic command class required by all Z-Wave devices. First Alert ZCOMBO also includes the Smart Start feature which allows a faster and more intuitive connection of device to hub and on-boarding via use of QR code scan located on device. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages. Upon the detection of smoke or CO conditions, the alarm reports smoke and or CO detected to the controller. The device shall send the applicable message when the conditions are cleared. These notifications must be wrapped in the Supervision CC. The following notifications must be supported. The alarm sends a “Heartbeat” signal to hub periodically to confirm operability. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Designed for wall or ceiling mounting. Includes mounting anchors and screws.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Two alarms in one is convenient! It brings me comfort knowing my family will be safe....Best Fire Alarm...Safety First with the fire alarm. Works great and loud."

    See all customer reviews

    Product Description

    First Alert ZCOMBO is a state-of-the-art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, utilizes one test button to setup, test and silence. This combination alarm will operate with 3rd party, certified Z-Wave devices enabled with the First Alert protocol and the basic command class required by all Z-Wave devices. First Alert ZCOMBO also includes the Smart Start feature which allows a faster and more intuitive connection of device to hub and on-boarding via use of QR code scan located on device. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages. Upon the detection of smoke or CO conditions, the alarm reports smoke and or CO detected to the controller. The device shall send the applicable message when the conditions are cleared. These notifications must be wrapped in the Supervision CC. The following notifications must be supported. The alarm sends a “Heartbeat” signal to hub periodically to confirm operability. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Designed for wall or ceiling mounting. Includes mounting anchors and screws.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  5. First Alert - Smoke Alarm with Escape Light - Front_Zoom
    Top comment

    "Good Quality Smoke Alarm...We bought these smoke alarms to replace some old First Alert smoke alarms in our house. ...Safety First...It’s reliable and I feel safe having it !"

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    Product Description

    Guide your loved ones safely out of harm's way with this First Alert Escape Light smoke and fire alarm. Onboard illumination shows the path out if the worst happens, and an ionization sensor picks up the earliest signs of flames. The easy-access door on this First Alert Escape Light smoke and fire alarm makes maintenance easy.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Good Quality Smoke Alarm...We bought these smoke alarms to replace some old First Alert smoke alarms in our house. ...Safety First...It’s reliable and I feel safe having it !"

    See all customer reviews

    Product Description

    Guide your loved ones safely out of harm's way with this First Alert Escape Light smoke and fire alarm. Onboard illumination shows the path out if the worst happens, and an ionization sensor picks up the earliest signs of flames. The easy-access door on this First Alert Escape Light smoke and fire alarm makes maintenance easy.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  6. Ring - Alarm Smoke & CO Listener (1-Pack) - Front_Zoom

    Model: 4SS1S8-0EN0
    SKU: 6323411
    Top comment

    "Great for your alarm system...I used these next to our nest protects. Love the quality and how small they are....Good Addition to Our Ring Alarm...Allows us to have fire protection with our Ring Alarm."

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    Product Description

    Always hear your existing smoke and CO alarms loud and clear. Simply connect the Alarm Smoke and CO Listener to your Ring Alarm Security Kit (sold separately) and place it near your existing smoke or CO alarms. You’ll get real-time mobile notifications whenever it hears sirens from existing smoke or CO alarms in your home. *This device does not detect fire, smoke or carbon monoxide and is intended to work with UL listed smoke and CO alarms that are 10 years old or less.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Great for your alarm system...I used these next to our nest protects. Love the quality and how small they are....Good Addition to Our Ring Alarm...Allows us to have fire protection with our Ring Alarm."

    See all customer reviews

    Product Description

    Always hear your existing smoke and CO alarms loud and clear. Simply connect the Alarm Smoke and CO Listener to your Ring Alarm Security Kit (sold separately) and place it near your existing smoke or CO alarms. You’ll get real-time mobile notifications whenever it hears sirens from existing smoke or CO alarms in your home. *This device does not detect fire, smoke or carbon monoxide and is intended to work with UL listed smoke and CO alarms that are 10 years old or less.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  7. First Alert - Basic Smoke Alarm - Front_Zoom

    Model: 1039796
    SKU: 6315924
    Top comment

    "Great smoke alarms. Very use to install and great quality. Alarm sound is loud...The alarm is very loud when I used the button to test the alarm. "

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    Product Description

    Safeguard what's important to you with this First Alert basic smoke alarm. It's battery-powered, so no complicated wiring is required, and it has a mute button for fast silencing of false alarms and easy battery testing. The EZ-Access battery door on this First Alert basic smoke alarm allows hassle-free maintenance.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Great smoke alarms. Very use to install and great quality. Alarm sound is loud...The alarm is very loud when I used the button to test the alarm. "

    See all customer reviews

    Product Description

    Safeguard what's important to you with this First Alert basic smoke alarm. It's battery-powered, so no complicated wiring is required, and it has a mute button for fast silencing of false alarms and easy battery testing. The EZ-Access battery door on this First Alert basic smoke alarm allows hassle-free maintenance.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  8. Viper - 1 Way Security System with Keyless Entry - Front_Zoom
    Top comment

    "alarm systemFor our safety of our life and propert...For our safety of our life and property it is good to put this safe and powerful alarm to protect our assets....Alarm for 2004 Scion...I like the alarm it works well, would recommend to anyone who wants basic protection."

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    Product Description

    This Viper 3105V 1-way system allows you to remotely lock and unlock your vehicle and features Clone-Safe Code Hopping technology to prevent unauthorized access. Failsafe starter kill helps prevent vehicle operation when the alarm is set. Installation
    See all Car Alarm & Security Systems
    Top comment

    "alarm systemFor our safety of our life and propert...For our safety of our life and property it is good to put this safe and powerful alarm to protect our assets....Alarm for 2004 Scion...I like the alarm it works well, would recommend to anyone who wants basic protection."

    See all customer reviews

    Product Description

    This Viper 3105V 1-way system allows you to remotely lock and unlock your vehicle and features Clone-Safe Code Hopping technology to prevent unauthorized access. Failsafe starter kill helps prevent vehicle operation when the alarm is set. Installation
    See all Car Alarm & Security Systems
    See all Car Alarm & Security Systems
  9. Google - Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm - White - Angle_Zoom
    Top comment

    "Smoke alarm...Really like this product. Feel safer and are replacing all our smoke alarms with this brand...Best Combo Alarm...These alarms are great. Definitely adds value to the home as well as safety."

    See all customer reviews

    Product Description

    Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.
    See all Smoke & Carbon Monoxide Detectors
    Top comment

    "Smoke alarm...Really like this product. Feel safer and are replacing all our smoke alarms with this brand...Best Combo Alarm...These alarms are great. Definitely adds value to the home as well as safety."

    See all customer reviews

    Product Description

    Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.
    See all Smoke & Carbon Monoxide Detectors
    See all Smoke & Carbon Monoxide Detectors
  10. Rexing - 3" 1080p Dual Motorcycle Wi-Fi, GPS, Dash Cam with Handlebar Mount and 32GB Micro SD Card - Black - Front_Zoom
    Top comment

    "Wanted to be safe on my motorcycle and catch any issue of drivers as I commute daily year round. ...This is a must have for all bikers for our safety concerns, super clear night vision even while in motion, the dual channel records front and back, and important part of document for court purposes should anything arise."

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    Product Description

    MTC1 is the ultimate add-on accessory for your riding needs. Protect and cover yourself in the event of an accident by having a personal eyewitness that records both front and back at Full HD 1080p at 30fps with a dual 170° angle lens. Enjoy added features such as loop recording, G-sensor, Wi-Fi, Mobile app, GPS, and mobile App.
    See all Dash Cameras
    Top comment

    "Wanted to be safe on my motorcycle and catch any issue of drivers as I commute daily year round. ...This is a must have for all bikers for our safety concerns, super clear night vision even while in motion, the dual channel records front and back, and important part of document for court purposes should anything arise."

    See all customer reviews

    Product Description

    MTC1 is the ultimate add-on accessory for your riding needs. Protect and cover yourself in the event of an accident by having a personal eyewitness that records both front and back at Full HD 1080p at 30fps with a dual 170° angle lens. Enjoy added features such as loop recording, G-sensor, Wi-Fi, Mobile app, GPS, and mobile App.
    See all Dash Cameras
    See all Dash Cameras
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