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First Alert BRK SC9120B-12 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 12-Pack
✅ In stock
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Grade
Analysis Confidence
23%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 26, 2026 12:20 AM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
FFSSales
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Keep your family safe with this 12 pack of hardwired smoke and carbon monoxide alarms; the battery backup means constant monitoring, even if there's a power failure
✓Features an electrochemical Carbon Monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast burning fire
✓Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
✓Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when a threat is detected
✓Simple to use, with a single test/silence button, and side load battery compartment; tamper resistant locking brackets and universal mounting brackets make installation easy
✓Rigorously tested to meet UL standards
✓Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
⚙️ Specifications
Brand
First Alert
Style
Standard Detection
Power Source
Battery Powered,Hardwired
Color
12.63
Product Dimensions
1.9"D x 5.6"W x 5.6"H
Item Weight
8.7 pounds
Alarm
Audible
Sensor Type
electrochemical,ionization
Global Trade Identification Number
00029054015754
Unit Count
12 Count
Model Number
BRK SC9120B-12
