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First Alert Hardwire Smoke Alarm, Dual Sensor
✅ In stock
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 25, 2026 9:06 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
10/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓First Alert's Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
✓Dual smoke sensor technology provides optimal protection for both smoldering and fast flaming fires
✓Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning
✓Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning
✓Battery backup provides continuous protection during power outages
⚙️ Specifications
Brand
First Alert
Style
Precision Detection
Power Source
Corded Electric
Color
White
Product Dimensions
4"D x 4"W x 2"H
Item Weight
11.2 ounces
Alarm
Smoke
Sensor Type
Photoelectric, Ionization
Unit Count
6 Count
Number of Items
6
Model Number
SM300-AC
