First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization
First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization
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First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization

80 ratings

Key item features

  • Dual Protection: This 2-in-1 alarm offers combined protection against both smoke and carbon monoxide, ensuring comprehensive safety.
  • Advanced Sensing: Equipped with Precision Detection advanced sensing technology, it reduces nuisance alarms from cooking while providing early fire warnings.
  • Effortless Installation: The battery-operated design allows for easy installation and straightforward maintenance.
  • User-Friendly Features: A convenient test/silence button enables efficient testing, and an end-of-life warning indicates when replacement is needed.
  • Ionization Technology: Utilizes ionization sensing technology for effective smoke detection.
  • Included Components: Comes complete with a mounting plate, battery, screws, and a manual for immediate setup.
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Customer ratings & reviews

4.1 out of 5 stars
stars
80 ratings19 reviews
How item rating is calculated
  1. 5 stars64% (51)
  2. 4 stars8% (6)
  3. 3 stars15% (12)
  4. 2 stars3% (2)
  5. 1 star11% (9)

Reviews summary

Pros

  • : Comes with easy-to-follow directions and minimal effort required.
  • : Made with high-quality materials.
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Showing 1-3 of 19 reviews

Jul 29, 2025
Reviewer name: Bobbi
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Do this for your family!

Needed a new one in our home, other busted. Shipping a little slow, but it showed up early.

Helpful?1A3KUJE6ZHK75430954598
May 13, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very well built. Good Quality

Helpful?1A3KUJE6ZHK75430954598
Nov 27, 2025
Reviewer name: T
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Again, Walmart had the best price.

Incentivized Review
Helpful?1A3KUJE6ZHK75430954598
Current price is Now $36.99
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was $44.00
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