Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Hardwired (with Battery Backup) Photoelectric Interconnected Combination Smoke and Carbon Monoxide Detector with Voice Alert

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

4.5
114
Review
 4.5 out of 5
114 Reviews


86% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these detectors for reliability and clear voice alerts that specify room location, enabling quick response during emergencies. The photoelectric sensor excels at detecting slow-smoldering fires, and dual smoke and carbon monoxide detection eliminates the need for separate units. Installation is effortless—customers describe it as plug-and-play with included adapters that fit existing mounts, requiring no rewiring. The interconnected system allows multiple units to communicate and sound simultaneously, providing comprehensive home protection. A small group reports occasional false alarms during cooking and notes the battery compartment is awkward to access, though most consider the investment justified for safety.

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

Great unit; love electronic voice

Would Recommend

Sounds alarm and electronic voice; can tell you which alarm is going off and announces the Radon PPM reading ( if there is one)

May 6, 2026
Verified Purchaser
Was this Review Helpful ?

Top Quality

Would Recommend

I purchased this to replace an older unit. This was very easy to replace. It fit perfectly without any modification to existing hard wire.

May 4, 2026
Verified Purchaser
Was this Review Helpful ?

Easy to install

Would Recommend

It is a replacement for an existing fire detector and fit easily on the harness that was already installed.

April 16, 2026
Verified Purchaser
Was this Review Helpful ?

Perfect fit and integrated immediately with other.

Would Recommend

Easy install with plug adapter that worked very well!

April 16, 2026
Verified Purchaser
Was this Review Helpful ?

Worth the money

Would Recommend

I liked that it tells you where the fire is located

April 10, 2026
Verified Purchaser
Was this Review Helpful ?

Works

Would Recommend

Easy install and set up

April 8, 2026
Verified Purchaser
Was this Review Helpful ?

Very easy replacement!

Would Recommend

I was easily able to replace an existing sensor that had run out its lifespan with a new one. Just a case of unplugging the old one and plugging in the new one.

March 27, 2026
Verified Purchaser
Was this Review Helpful ?

Quit after 1 year

Would Not Recommend

installed 12-15-24 and stopped working 3-6-26. Nowhere near 10 years. CO detector went off. Fire Dept cleared home and said detector defective.

March 18, 2026
Was this Review Helpful ?
Response from FirstAlertProductExpert

Hi JJM, this is something you should not expect. Our tech support team is available 7 days a week at 1-800-323-9005, we'll be happy to help you. ...

FirstAlertProductExpertMarch 19, 2026

FirstAlert

EASY INSTALLATION

Would Recommend

Easy to install and comes with batteries.

February 17, 2026
Verified Purchaser
Was this Review Helpful ?

Nothing too fancy, it just WORKS

Would Recommend

Easy to install

February 6, 2026
Verified Purchaser
Was this Review Helpful ?

Nice smoke / carbon monoxide alarm

Would Recommend

Easy to install, nice features with the room specific details and settings. Love the voice notifications as well

December 29, 2025
Verified Purchaser
Was this Review Helpful ?

Great product

Would Recommend

Product was very easy to install as a replacement. Best part was the adapter which saved me from having to replace the current connector.

December 5, 2025
Verified Purchaser
Was this Review Helpful ?

Courtesy

Fast

December 3, 2025
Verified Purchaser
Was this Review Helpful ?

Good replacement

Would Recommend

Works well as replacement to our old hardwired alarms

November 27, 2025
Verified Purchaser
Was this Review Helpful ?

A bit expensive

Easy to install and program

November 9, 2025
Verified Purchaser
Was this Review Helpful ?

Matches the non-working detector

Needed to replace one that's malfuncting

November 5, 2025
Verified Purchaser
Was this Review Helpful ?

Would buy again

Would Recommend

Overall, good product and easy install. Just one small complaint. It was not obviously clear as to which direction (+/-) the batteries were to be installed. I wish the +/- indicators were more obvious. Otherwise, very happy.

October 20, 2025
Verified Purchaser
Was this Review Helpful ?