−15%First Alert Battery Smoke Alarm
by First Alert · Safety & Security
In Stock
4,086 verified reviews · We may earn a commission · Disclosure
Good deal · based on price history, ratings & popularity
- Popularity
- 🔥 Trending
- Network
- amazon
- Prime
- ✓ Eligible
- Region
- us
Why it's a great deal
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.
Battery-operated alarm allows for easy installation and maintenance
Front access battery compartment makes for easy battery replacements
End-of-life warning lets you know when it’s time to replace the alarm
Test/silence button for efficient testing to ensure alarm is working properly
Specifications
- Size
- 1-Pack
- Color
- White
- Model
- SMI100
- Weight
- 0.7 pounds
- Binding
- Tools & Home Improvement
- Dimensions
- 5.4 inches x 5.4 inches x 1.9 inches
- Unit Count
- 1
- Part Number
- SMI100
- Product Group
- Home Improvement
Our Data-Driven Analysis
First Alert holds a 4.6/5 rating from 4,086 verified buyer reviews in our Safety & Security category. This places it among the highest-rated products we track — buyer satisfaction is exceptionally strong.
At $16.99, this represents a 15% discount (saving $3.00) from the typical price of $19.99. A meaningful saving that makes this a competitive option at this price point.
Our proprietary Deal Score rates this a 6.7/10 based on price history, rating trends, review velocity, and category positioning. A good deal overall — the data supports a purchase at this price.
Compared to 8 similar products in Safety & Security, pricing is above the category average ($14.10).
Analysis generated from 4,086 verified reviews · Price data updated hourly · Methodology: how we analyze
Customer Ratings
This product holds a 4.6/5 average from 4,086 verified customer ratings on Amazon. We surface the genuine retailer rating here so you can judge the deal at a glance — and we link straight to the source so you can read the real reviews yourself.
Read customer reviews on AmazonRatings are aggregated from Amazon and re-verified hourly. We may earn a commission if you buy through our link.
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First Alert
$16.99−15%