Hero image 0 of First Alert SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm with Slim Profile, 1046796, 0 of 6
Overall pick
First Alert SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm with Slim Profile, 1046796
Key item features
- Advanced Sensing Technology: First Alert's Precision Detection technology reduces cooking nuisance alarms and provides early fire warnings.
- Dual Protection: Offers reliable 2-in-1 protection against both smoke and carbon monoxide.
- Easy Installation: Designed for simple and quick installation in your home.
- 10-Year Battery: Features a sealed 10-year lithium battery, eliminating the need for replacements and low battery chirps.
- End-of-Life Warning: Alerts you when it's time to replace the alarm, ensuring continuous protection.
- Slim Profile Design: The sleek, compact design is half the depth of a standard alarm, blending seamlessly with home decor.
Generated by AI
Specs
- Smoke & carbon monoxide alarm sensor technologyPhotoelectric Sensor
- Battery life6 months
- FeaturesBeep Indicator
- Power typeBattery
- Smart techN
- Batteries inclY
Current price is USD$39.40
Price when purchased online
- Free shipping
Free 90-day returns
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Columbus, 43215
Arrives by Tue, Feb 10
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
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Starting from $39.89
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About this item
Product details
The First Alert SMCO210 Sealed 10-Year-Battery Combo Smoke and CO Alarm with Slim Profile Design uses our Precision Detection advanced sensing technology to meet the latest industry standards. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). The slim-profile combination alarm is half the depth of a standard alarm. It is sleek and compact to help the detector blend seamlessly with most home décor. And the 10-year lithium battery means no battery replacements for a decade – the end-of-life warning lets you know when it is time to replace the alarm. No more low-battery chirps and multiple battery replacements!
- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm
- 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
- End-of-life warning lets you know when it’s time to replace the alarm
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Smoke & carbon monoxide alarm sensor technology
Photoelectric Sensor
Battery life
6 months
Features
Beep Indicator
Power type
Battery
Warranty
Warranty information
10 Year
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Ingestion Hazard
This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
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Showing 1-3 of 30 reviews
Jan 14, 2026
Karen
5 out of 5 stars review
Verified Purchase
Great product.
Like the 10 year battery life, not having to replace battery every year. Product is a very nice design,
Helpful?61BFOKNOVGJM5432251602
Jan 31, 2026
Kc
5 out of 5 stars review
Verified Purchase
Can't rate a 10-year old product after one month
Can't read a product and battery life and quality until you have it for at least five years out of the 10
Helpful?61BFOKNOVGJM5432251602
Jan 30, 2026
Pat
5 out of 5 stars review
Verified Purchase
ordered 2 units, one came with voice one without. I did not order voice, so no complaint.
Helpful?61BFOKNOVGJM5432251602
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