First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,White
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Purchase options and add-ons
| Brand | First Alert |
| Style | Precision Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 5.6"D x 5.6"W x 1.9"H |
| Item Weight | 0.52 Pounds |
| Alarm | Smoke, CO |
| Sensor Type | Photoelectric |
| Global Trade Identification Number | 00029054022066 |
| Unit Count | 1.0 Count |
About this item
- 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
- Battery-operated alarm allows for easy installation and maintenance
- Test/silence button for efficient testing to ensure alarm is working properly
- End-of-life warning lets you know when it’s time to replace the alarm
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Product information
| Power Source | Battery Powered |
|---|---|
| Alarm | Smoke, CO |
| Sensor Type | Photoelectric |
| Product Style | Precision Detection |
|---|---|
| Color | White |
| Item Dimensions D x W x H | 5.6"D x 5.6"W x 1.9"H |
|---|---|
| Item Weight | 0.52 Pounds |
Warranty & Support
Feedback
| Brand | First Alert |
|---|---|
| Model Number | SMCO100 |
| Global Trade Identification Number | 00029054022066 |
| Manufacturer Warranty Description | 10 Years Limited |
| Number of Items | 1 |
| Manufacturer | Resideo |
| UPC | 029054022066 |
| Mfr Part Number | 1046776 |
| Unit Count | 1.0 Count |
| Item Type Name | Combination Alarm |
| Built-In Media | AA Batteries |
| Best Sellers Rank |
|
| ASIN | B0CKTZ4GVW |
| Customer Reviews |
4.6 out of 5 stars |
Product Description
The First Alert SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.
Top Brand: First Alert
Customer reviews
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Reviews with images
PRODUCTO MUY BUENO Y ECONOMICO
Top reviews from the United States
- 5 out of 5 stars
Safety first
Reviewed in the United States on May 28, 2026They are very easy to install and seem to work.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
No complaints
Reviewed in the United States on May 21, 2026Exactly as described! No problems installing or mounting.
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Works as designed
Reviewed in the United States on May 20, 2026Put the batteries in and its done.....
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
High Quality
Reviewed in the United States on June 3, 2026These word well. I needed to update my current smoke detectors to combo Co2 smoke detectors
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
Fine product
Reviewed in the United States on May 28, 2026Works as advertised
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
price went way up
Reviewed in the United States on June 6, 2026so far so good price went up $12 since I bought it wow
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
No waking up in the middle of the night to false alarms now.
Reviewed in the United States on May 18, 2026These were easy to install, and we haven’t had a false alarm even once. Why did we live with the problem so long!
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
As expected.
Reviewed in the United States on May 18, 2026As expected.
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Top reviews from other countries
Shahd5 out of 5 starsممتاز
Reviewed in the United Arab Emirates on November 13, 2024منتج رائع وجودة عاليه جدا
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verbrugge johny5 out of 5 starsRookmelder
Reviewed in Belgium on January 26, 2026Was dik in orde.
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Erik Jaeken4 out of 5 starsRecensie
Reviewed in Belgium on December 6, 2025Correct product. Snelle levering.
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Product summary presents key product information
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Product Summary: First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack,White
From First Alert
About this Item
- 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
- Battery-operated alarm allows for easy installation and maintenance
- Test/silence button for efficient testing to ensure alarm is working properly
- End-of-life warning lets you know when it’s time to replace the alarm
Product Description
Options Available
Size
- 1-Pack
- 3-Pack
Style
- Precision Detection
Pattern Name
- SMCO100
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