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X-Sense Wireless Interconnected Battery Powered Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, Pack of 6
AMAZON.COM
Price
$ 99.99
Last price was updated on: 7th Dec 2025, 07:46 PM
Pricing Analytics & Buying Assistance
Price Score:
Excellent!
Poor
Average
Good
Excellent
Current Price
$99.99
$84.49
Lowest
$145.99
Highest
Buying Advice:
Excellent! Buy now. 46% chance price goes up. Buy soon.
Excellent! Buy now. 46% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$84.49
10th Jul 2025
Highest Ever
$145.99
24th Nov 2021
Average Price
$117.77
169 data points
Last 3M Low
$94.93
21st Nov 2025
Last 6M Low
$84.49
10th Jul 2025
Last 12M Low
$84.49
10th Jul 2025
Price History Chart
Product Technical Information
| Product Code | B09K4YC2D9 |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Brand Name | X-Sense |
| Rating | 4.4 ( 898 ratings ) |
| Category | Smoke Detectors & Fire Alarms |
| Manufacturer | X-Sense Electronics., Ltd. |
| Model Number | SD19-W |
| Item Color | White |
| Item Size | 6-Pack |
| Item Dimensions | 4.8"D x 4.8"W x 1.7"H |
Frequently Asked Questions
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What is the lowest price ever for this product?The lowest price for X-Sense Wireless Interconnected Battery Powered Smoke Detector Fire Alarm with Over 820 ft Transmission Range SD19-W Pack of 6 was $84.49 on 10th Jul 2025. 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 X-Sense Wireless Interconnected Battery Powered Smoke Detector Fire Alarm with Over 820 ft Transmission Range SD19-W Pack of 6 was $145.99 on 24th Nov 2021. Prices have dropped since then.
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What is the average price of this product?The average price for X-Sense Wireless Interconnected Battery Powered Smoke Detector Fire Alarm with Over 820 ft Transmission Range SD19-W Pack of 6 is $117.77 (169 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, X-Sense Wireless Interconnected Battery Powered Smoke Detector Fire Alarm with Over 820 ft Transmission Range SD19-W Pack of 6 reached a low of $94.93 on 21st Nov 2025. Recent price trends may help you decide when to buy.
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Should I buy this product now?Buy now. The price is excellent compared to its history. 46% chance price goes up. Price may increase soon.