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Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

Ratings & Reviews for First Alert Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

4.7
112
Review
 4.7 out of 5
112 Reviews

2 Star
0%

93% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise the dual-sensor smoke and carbon monoxide detector for reliable performance, straightforward installation, and long-term durability. The 10-year battery and combined detection in one unit eliminate clutter while providing broad protection. Many highlight easy wiring compatibility with existing systems through universal adapters, and the distinct alarm patterns—long beeps for smoke, short for carbon monoxide—improve emergency clarity. Reviewers emphasize the sturdy build and trusted engineering. A few note minor mounting differences or price concerns, but most consider this a dependable, long-lasting safety investment.

Customer review summary generated by AI, including incentivized reviews.
112 Customer Reviews

Direct replacement

Would Recommend

Easy installation

May 9, 2026
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Works great

Would Recommend

Great product

May 8, 2026
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Easy Installation

Would Recommend

Easy installation with wire harness adapter.

May 4, 2026
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Easy Installation

Would Recommend

Easy to install and gives our family peace of mind

April 28, 2026
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Recommend

Would Recommend

Very easy to install

April 19, 2026
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Store & Online products come intact everytime.

Would Recommend

Definitely what I needed,staff was great in assisting me with the right one.

April 12, 2026
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There is a slight difference from yours.

Would Recommend

It matched my old one.

April 3, 2026
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A++

Would Not Recommend

Easy to install, works great

April 1, 2026
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First time ordering for delivery, VERY EFFICIENT

Would Recommend

Item was as ordered and easily installed

March 20, 2026
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Fire/Co2 Alarm

This fire/Co2 alarm was easy to install. The two universal adapters made connecting to the 10 yr year old wiring.in the house easy. Even the new base mount fit the existing holes of the old alarm.

March 1, 2026
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Easy set up

Easy set up

February 22, 2026
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A Trusted Classic, Upgraded for Modern Safety

Would Recommend

The First Alert 2‑in‑1 Smoke & Carbon Monoxide Alarm feels like a thoughtful upgrade to a classic design. Installation is pleasantly simple—the mounting plate lines up easily, the wiring is straightforward, and the whole process feels approachable even if you’re not a seasoned DIY type. Once it’s in place, the dual‑sensor protection is a real advantage. Having both smoke and CO detection in a single unit reduces clutter, simplifies maintenance, and gives you broader coverage without having to ma...

January 31, 2026
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It last for about 10 years

Would Recommend

It was easy to install

January 30, 2026
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