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First Alert Battery Combination Smoke & Carbon Monoxide Alarm | SMCO100
You save $23.14
As of Oct 5, 2026, 21:42 UTC, First Alert Smoke & Carbon Monoxide Alarm is $94.81 at Amazon, 20% below the $117.95 list price.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
Pack: 120 count
You save $1.67
as of 9:42 PM UTC
The First Alert SMCO100 is a battery-operated smoke and carbon monoxide alarm that combines both detection functions in one unit, suitable for bedrooms, hallways, and other areas where early warning is important.
Before buying, check whether your home's layout and local fire codes require additional alarms or specific mounting locations. Confirm the battery type included and the expected replacement frequency on the product listing. Verify the current price and availability on Amazon.
You save $5.00
as of 9:42 PM UTC
Pack: 32 pieces
You save $12.50
as of 9:42 PM UTC
Pack: 730 pieces
You save $13.00
as of 9:42 PM UTC
Color: Coastal Cateye
You save $7.00
as of 9:42 PM UTC
