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First Alert SMI100, Battery-Operated Smoke Alarm, 3-Pack
AMAZON.COM
Price
$ 58.22
Last price was updated on: 12th Dec 2025, 12:53 PM
Pricing Analytics & Buying Assistance
Price Score:
Good
Poor
Average
Good
Excellent
Current Price
$58.22
$37.42
Lowest
$63.88
Highest
Buying Advice:
Good – Worth buying. 62% chance price goes up. Buy soon.
Good – Worth buying. 62% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$37.42
11th Feb 2024
Highest Ever
$63.88
10th Dec 2025
Average Price
$47.42
253 data points
Last 3M Low
$48.98
19th Oct 2025
Last 6M Low
$44.97
2nd Sep 2025
Last 12M Low
$44.97
2nd Sep 2025
Price History Chart
Product Technical Information
| Product Code | B0CJLB54LS |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Brand Name | First Alert |
| Rating | 4.5 ( 22544 ratings ) |
| Category | Smoke Detectors & Fire Alarms |
| Manufacturer | Resideo |
| Model Number | SMI100 |
| Item Color | White |
| Item Size | 3-Pack |
| Item Dimensions | 5.6 x 5.6 x 1.9 inches |
Frequently Asked Questions
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What is the lowest price ever for this product?The lowest price for First Alert SMI100 Battery-Operated Smoke Alarm 3-Pack was $37.42 on 11th Feb 2024. This is the best recorded deal so far.
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What is the highest price ever for this product?The highest price for First Alert SMI100 Battery-Operated Smoke Alarm 3-Pack was $63.88 on 10th Dec 2025. Prices have dropped since then.
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What is the average price of this product?The average price for First Alert SMI100 Battery-Operated Smoke Alarm 3-Pack is $47.42 (253 data points). This helps you compare current deals.
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What is the lowest price in the last 3 months?In the last 3 months, First Alert SMI100 Battery-Operated Smoke Alarm 3-Pack reached a low of $48.98 on 19th Oct 2025. Recent price trends may help you decide when to buy.
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Should I buy this product now?Worth buying. The price is good, but you may wait for a better deal. 62% chance price goes up. Price may increase soon.