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

Smoke detectors are a must-have for any home. They alert you to the presence of smoke and fire, which can be lifesavers in the event of a fire. Browse the top-ranked list of smoke detector alarms below along with associated reviews and opinions.

Main Results
  1. Swann - ActiveResponse Personal Safety Alarm Keychain with 110dB Emergency Siren - Black - Front_Zoom
    Top comment

    "Low noise Personal alarm...The instructions have you scan the QR code on the bottom of the alarm to synchronize it to the phone. Once the alarm is synchronized to the phone you can complete the testing of the device. ...More than just a personal alarm...The personal alarms are really easy to link to your phone and set up. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    Top comment

    "Low noise Personal alarm...The instructions have you scan the QR code on the bottom of the alarm to synchronize it to the phone. Once the alarm is synchronized to the phone you can complete the testing of the device. ...More than just a personal alarm...The personal alarms are really easy to link to your phone and set up. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    See all Home Alarms & Sensors
  2. Swann - ActiveResponse Personal Safety Alarm Keychain with 110dB Emergency Siren - Aqua - Front_Zoom
    Top comment

    "Great personal alarms!...There is an app to setup and monitor the alarms. You can choose to notify someone when the alarm is triggered. ...Alarm is connected to an app and is a subscription as well. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    Top comment

    "Great personal alarms!...There is an app to setup and monitor the alarms. You can choose to notify someone when the alarm is triggered. ...Alarm is connected to an app and is a subscription as well. "

    See all customer reviews

    Product Description

    Swann's ActiveResponse Smart Mobile Personal Safety Alarm is stylish yet discreet but has the power to potentially save your life. When you find yourself in the presence of danger or become lost, pull the pin for a loud 110 decibel siren, and / or push the button to alert your primary emergency contact of your location for FREE. A perfect personal security alarm for women. Pair the Mobile Personal Safety Alarm with the Swann Security app on your phone via Bluetooth, to ensure your family, friends, and even emergency services (via subscription), can be alerted to your location. Use the included keyring to clip the Alarm to your keys, bag, backpack, school bag, or use the lanyard to wear it around your neck. Stylish and discreet, it is small enough to carry in a handbag or in your hand. A useful accessory. Use as safety device while running or hiking. With a sturdy, compact design and long battery life, they are the perfect companion for a walk, run, hike or trek. Take one with you when you travel, as they are even allowed on planes where pepper spray and tasers aren’t. A perfect personal safety Alarm for women's self defense. ActiveResponse is also a great gift idea for family, students, seniors, the disabled, shift workers, outdoor enthusiasts and more.
    See all Home Alarms & Sensors
    See all Home Alarms & Sensors
  3. SimpliSafe - Smoke Detector - White - Front_Zoom

    Model: SSSD3
    SKU: 6520590
    Top comment

    "Smoke detector...The smoke detector works great. Tested to see the effect of having this device....The only two downfalls I see to this smoke detector is: 1: There should be a way to say "I'm just cooking" to stop the alarm, and 2: It would be great if it also acted as a carbon monoxide detector as well."

    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
    Top comment

    "Smoke detector...The smoke detector works great. Tested to see the effect of having this device....The only two downfalls I see to this smoke detector is: 1: There should be a way to say "I'm just cooking" to stop the alarm, and 2: It would be great if it also acted as a carbon monoxide detector as well."

    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
  4. First Alert - Smoke and Carbon Monoxide Alarm - Works with Ring - White - Front_Zoom
    Top comment

    "Excellent smoke detector...Excellent smoke detector. It is ver efficient. Would recommend to friends and family. ...Smoke detector...Great, got it to replace an existing wired smoke detector which stopped working. This furs right into same whole, works great"

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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

    "Excellent smoke detector...Excellent smoke detector. It is ver efficient. Would recommend to friends and family. ...Smoke detector...Great, got it to replace an existing wired smoke detector which stopped working. This furs right into same whole, works great"

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

    "Best smoke detector...Best smoke detector I’ve ever used. Saves so many false alarms....Great Smoke Detector...Great smoke detector - love the hallway night light!"

    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
    Top comment

    "Best smoke detector...Best smoke detector I’ve ever used. Saves so many false alarms....Great Smoke Detector...Great smoke detector - love the hallway night light!"

    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
  6. Google - Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm - White - Angle_Zoom
    Top comment

    "Excellent Choice Smoke Detector...This Nest Protect Smoke Detector is an excellent choice for replacing old wired detectors. ...Next smoke detector...Great smoke detector! Easy install and integration"

    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

    "Excellent Choice Smoke Detector...This Nest Protect Smoke Detector is an excellent choice for replacing old wired detectors. ...Next smoke detector...Great smoke detector! Easy install and integration"

    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
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