The Best Smoke Carbon Monoxide Alarms of 2023

Talking alarm announces the hazard type detected, helping to speed up reaction time

A single unit can be installed where previously two were needed

Battery safeguard ensures the unit cannot be accidentally mounted without batteries installed

Test-reset button tests alarm circuitry and triggers the voice announcement

Meets requirements of Underwriters Laboratories (UL), an independent facility that tests products for safety compliance

Battery operated smoke and carbon monoxide alarm can be installed easily

Connects multiple alarms together for wireless safety network

Voice alarm gives clear indication of where the problem is located

Features photoelectric smoke sensor and electrochemical CO sensor

One button silences a false alarm and tests the unit. Loud 85 decibel alarm

NOTE: Kindly refer to the user manual provided as a PDF manual in the product description section

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Complies with all current 10 year legislation in U. S. states/cities where required

Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms

A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise

Features a sleek, low profile design to blend more fully into the wall and out of sight

10-year limited ; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for your safety (the date printed on the item is the manufacturing date, not the expiration date)

Rigorously tested to meet UL standards

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home

Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire

Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage

Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases

UL Certified, 10-year limited warranty

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"

Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire

Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup

Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling

UL Certified, 10-year limited warranty

Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure

Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.

Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected

Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy

Rigorously tested to meet UL standards

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure

Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires

In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected

10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety

Rigorously tested to meet UL standards

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)