Price Drop
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design
-10%
$49.16
$54.94
Current Price
$49.79
List Price
$54.94
30-Day Avg
$54.94
Lowest Ever
$29.99
- ASIN
- B0CRRRLRFL
- Model
- SMCO210
- Color
- White
- Size
- 1 Count (Pack Of 1)
100+ bought in past month
Best for
- Under $50
- Families
- Apartment Dwellers
- New Homeowners
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Price History
Price history chart is not available
In-Site Price History
| Product | Current Price | Original Price | Discount | Status |
|---|---|---|---|---|
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $43.98 | $54.94 | -19% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $43.99 | $54.94 | -19% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $44.99 | $54.94 | -18% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.40 | $54.94 | -28% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.49 | $54.94 | -28% | Price Drop ✓ Verified Low Price |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.49 | $54.94 | -28% | Price Drop ✓ Verified Low Price |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.49 | $54.94 | -28% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.40 | $54.94 | -28% | Price Drop |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.40 | $54.94 | -28% | Price Drop ✓ Verified Low Price |
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design | $39.40 | $54.94 | -28% | Price Drop |
Details
Reliable Detector: The First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and CO alarm provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install detector
Special Technology: 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
Long-Lasting Battery: 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
Replacement Alert: End-of-life warning lets you know when it’s time to replace the alarm
Design: Slim profile design is half the depth of a standard alarm
Special Technology: 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
Long-Lasting Battery: 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
Replacement Alert: End-of-life warning lets you know when it’s time to replace the alarm
Design: Slim profile design is half the depth of a standard alarm
Deal Summary
This First Alert deal offers the First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design for $49.16 USD, down from $54.94 USD, representing a 11% discount. Last verified on .
- Current Price
- $49.16 USD as of
- Original Price
$54.94 USD- Discount
- 11% off
- Brand
- First Alert
- Category
- Today's new
- ASIN
B0CRRRLRFL- Last Verified
Why this deal is notable
The current 11% discount is below the Amazon list price for the First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design. Over 100 buyers purchased this this brand item in the past month. Stock is currently available on Amazon as of October 6, 2026.
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