First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm

First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm

Marsoni

M251S

$77.99

Get it in 3 business days with 1 day shipping. Friday, May 29

First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke AlarmElectrochemical & ionization sensor Designed for hardwired installation, but features a 10 year battery back up allowing the unit to function if the power goes out Hardwire adapter so there is no need to rewire Can be connected to other compatible BRK or First Alert CO smoke detectors within a single family residence Includes single button silence or test function 10 year limited warranty

Easy Shipping

Quick Dispatch:

Your First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm ships.

Need Help?
Questions about First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm in your area.

Get Shipping Estimates

Country Zip/Postal Code

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Doesn’t feel very sturdy like other floating shelves I’ve bought, and they slant a little. The anchors and screws that it came with all broke so we had to get our own for it to feel more secure on the wall, but still feels wobbly. Overall, it looks good on the wall after the fact, but won’t be adding too much weight on it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 23, 2026

Verified Purchase

Monkey

Chelsea, US

★★★★★ 5

Good buy

Color: Black, Size: 24 inches

The shelves are very nice and look great in my bathroom. Easy to hang. Glad I purchased.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 2, 2026