First Alert Carbon Monoxide & Smoke Detector
Best dual-sensor solution for homeowners seeking reliable, low-maintenance safety.
Ensure your home's safety with the First Alert Carbon Monoxide & Smoke Detector. This essential device provides dual protection, alerting you to both smoke and dangerous carbon monoxide levels. Its photoelectric sensor is designed to reduce nuisance alarms, while the loud 85 dB alarm ensures everyone is alerted. The detector features a convenient Test/Silence button and a slim, round design that blends into your home decor. It covers up to 40 feet and includes two AA batteries for immediate setup, backed by a 7-year limited warranty.
$45.99
Owner Satisfaction
4.5
/ 5
Category Rank
16
/ 34
#16 in Carbon Monoxide Detectors
Price vs Category Average
-35%
Below average
Sensor Type
Photoelectric Smoke Sensor, Carbon monoxide detector
/ Photoelectric Smoke Sensor, Carbon monoxide detector
Who it's for
- Homeowners seeking streamlined, all-in-one safety monitoring
- Safety-conscious buyers prioritizing proven, reliable industry brands
- Busy residents needing quick installation and simple maintenance
Who should skip it
- Budget-focused shoppers wary of recurring replacement costs
- Homeowners wanting a maintenance-free, set-it-and-forget-it solution
- Residents living in humid environments or near active kitchens
Performance breakdown
Dual-threat detection
Combines smoke and carbon monoxide sensing for comprehensive home safety coverage.
Nuisance alarm reduction
Photoelectric sensor technology effectively minimizes false triggers from everyday cooking.
Audible alert intensity
The 85 dB alarm provides a piercing, unmistakable warning for occupants.
Installation versatility
Flexible power options allow for seamless integration into various home setups.
Design aesthetics
Slim, low-profile housing blends discreetly into any ceiling or wall.
Long-term reliability
Seven-year limited warranty offers peace of mind for essential safety hardware.
Key Specs
Sensor Type
Photoelectric Smoke Sensor, Carbon monoxide detector
Alarm Loudness
85 dB
Detection Range
40 feet
Power Source
2 "AA" Batteries (Included), Hard wired, Plug-in
Warranty
7 Year Limited Warranty
Certification
UL Listed
Color
White
Features
- Dual protection against smoke and carbon monoxide
- Photoelectric sensor minimizes false alarms
- Slim, round aesthetic design
- Loud 85 dB alarm alerts occupants
- Easy testing and silencing button
- Batteries included for immediate use
- Reliable coverage up to 40 feet
What customers say
Customers overwhelmingly trust the First Alert dual sensor for crucial home safety. The primary praise centers on its reliability and the peace of mind it provides, knowing both smoke and carbon monoxide are monitored by one unit. Installation is frequently described as simple and quick, often requiring minimal effort. Reviewers appreciate the clear instructions and the long battery life, making maintenance infrequent. This product is seen as essential, offering excellent value for its core safety function.
Know before you buy
Yes, this device features dual-sensing technology to detect both smoke particles and carbon monoxide gas, offering comprehensive safety in a single unit.
It uses a photoelectric sensor specifically designed to reduce nuisance alarms caused by common cooking smoke, making it a great choice for areas near kitchens.
The unit features a loud 85-decibel alarm, which is the standard volume required to effectively wake occupants and alert them to danger.
This model is versatile and can be powered by the two included AA batteries, or it can be set up as a hardwired or plug-in unit depending on your home's existing electrical configuration.
You should use the integrated Test/Silence button regularly to verify the alarm is functioning correctly. It is generally recommended to perform this check at least once a month.
The device is backed by a 7-year limited warranty, which covers the expected operational life of the sensors. It is recommended to replace the entire unit once it reaches the end of its service life.
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