


First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm
Marsoni
M251S
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
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
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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]
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Size: 8.5" x 5.8" x 1.9", Color: Orange
Perfect size to empty my pockets when I get home. Fits my wallet, keys, AirPods, etc. excellent quality.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Nice and classy
Size: 8.5" x 5.8" x 1.9", Color: Black
Bought this for my husband for Christmas and he loved it. Super classy elegant well made box. Perfect for bedside nightstand for your watch and rings.
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Nice looking and durable
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Reviewed in the United States on January 12, 2026
★★★★★ 5
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Reviewed in the United States on April 30, 2026
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