At a Glance
Plug-in
Battery Back-Up
Peak Level History
Digital

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First Alert Plug-in Carbon Monoxide Detector

Name: First Alert Plug-in Carbon Monoxide Detector
Brand: First Alert
SKU: 1000956814
Rating: 4.9 (7 reviews)

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4.9

Power Source: Plug-in

Battery-operated

Plug-in

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First AlertPlug-in Carbon Monoxide Detector

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The First Alert CO615 carbon monoxide alarm uses an electrochemical sensor the most accurate technology available. Simply plug this personal carbon monoxide detector into any standard outlet, and the backlit digital display will show the level of carbon monoxide in the room. The test/silence button silences the alarm and allows you to test its functionality. This CO detector also features a battery backup that allows for continuous monitoring, even in the event of a power failure. The simple, user friendly design makes this CO detector easy to setup and operate, and it features an end-of-life warning that lets you know when it is time to replace the unit.

Plug-in CO alarm works with any standard outlet and has a battery backup for continuous monitoring during a power failure
Backlit display shows at-a-glance readings for backup battery power level and CO
Advanced electrochemical sensor detects carbon monoxide levels no matter where the detector is installed
A loud 85-decibel alarm sounds when CO levels reach dangerous levels
CO alarms should be placed on every level and in every bedroom of the home
7-Year limited warranty
Tested to meet UL standards

General
Package Contents	1 alarm, 2 AA batteries, manual	Power Source	Plug-in
Package Quantity	1	Series Name	CO615
Battery Type	AA	Color/Finish Family	White
Display Type	Digital

Dimensions
Height (Inches)	8.4	Width (Inches)	6.9
Length (Inches)	3

Features
Interconnection	No	Voltage (Volts)	120
Hub Required	No	Battery Back-Up	Yes
Propane Detector	No	Battery Included	Yes
Voice Assistant	No	10-Year Battery	No
Sealed Battery	No	Peak Level History	Yes
Natural Gas Detector	No	Voice Alert	No
Carbon Monoxide Detector	Yes

Compatibility
Works with Apple HomeKit	No	App Compatibility	No
Works with iOS	No	Bluetooth Compatibility	No
Wi-Fi Compatibility	No	Smart Compatible	No

Certifications
CA Residents: Prop 65 Warning(s)	No	Safety Listing	UL safety listing

Warranty
Warranty	7-year limited

Miscellaneous
UNSPSC	46191500

Check out the Best Selling Carbon Monoxide Detectors on Lowes.com

Review

4.9 out of 5

7 Reviews

3 Star

2 Star

1 Star

100% Recommend this product

Ratings may include incentivized customer reviews.

7 Customer Reviews

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Great value

Would Recommend

Bought this carbon monoxide detector and it is doing the job!

Carbon monoSeptember 7, 2026
Verified Purchaser

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Great alarms

This works very well. We had three of these exact same ones and used them until they had completed their entire life. It's really nice to have a screen to show things like the CO levels and to be able to tell things like low battery and end of life beeps without having to look up what those specific beeps mean. The model directly under this one, without a scree, is undoubtedly just as good, if you want to save some extra money, because those are incredibly affordable. Those also come in a two pa...

NathanAugust 12, 2026
Verified Purchaser

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