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10 bestAlarm Detectorof December 2025

112M consumers helped this year.

21% off

1

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button

Fireangel

9.8

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2

Ring Alarm Motion Detector (2nd Generation)

Ring Alarm Motion Detector (2nd Generation)

Ring Alarm Motion Detector (2nd Generation)

Ring

9.6

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3

Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life

Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life

Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life

Kidde

9.4

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14% off

4

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

Fireangel

9.1

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13% off

5

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)

Google

8.9

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OtherRelated productsUp to 33% off

Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with Test/Silence Button,Carbon-Monoxide-Detector Comforms to EN 50291 Standard

Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with Test/Silence Button,Carbon-Monoxide-Detector Comforms to EN 50291 Standard

Kidde 5DCO 10 Year Life Battery Powered Digital Display Carbon Monoxide Alarm

Kidde 5DCO 10 Year Life Battery Powered Digital Display Carbon Monoxide Alarm

FireAngel Digital Carbon Monoxide Detector with 10-Year Sealed for Life Battery - FA3322 Humidity, Temperature and CO Alarm - Portable Carbon Monoxide Alarms for Home and Travel - CO Detector Monitor

FireAngel Digital Carbon Monoxide Detector with 10-Year Sealed for Life Battery - FA3322 Humidity, Temperature and CO Alarm - Portable Carbon Monoxide Alarms for Home and Travel - CO Detector Monitor

Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector with LED Display (PPM Value Visible at All Times) and 85 dB Audible and Visual Alarm.

Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector with LED Display (PPM Value Visible at All Times) and 85 dB Audible and Visual Alarm.

6

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)

Google

8.6

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44% off

7

FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

Fireangel

8.3

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34% off

8

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White

Fireangel

8.0

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5% off

9

Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries

Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries

Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries

Kidde

7.8

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21% off

10

XINDUM Wireless Interlinked Smoke Alarms for Home, Heat Detector, Carbon Monoxide Detector with LCD Digital Display, Remote Controller, Fire Alarms with 10 Year Battery, Fire Detectors Bundle for Home

XINDUM Wireless Interlinked Smoke Alarms for Home, Heat Detector, Carbon Monoxide Detector with LCD Digital Display, Remote Controller, Fire Alarms with 10 Year Battery, Fire Detectors Bundle for Home

XINDUM Wireless Interlinked Smoke Alarms for Home, Heat Detector, Carbon Monoxide Detector with LCD Digital Display, Remote Controller, Fire Alarms with 10 Year Battery, Fire Detectors Bundle for Home

XINDUM

7.5

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