We don't earn a commission on these links; we list them to help you compare, with prices as seen on the date shown. How this works

First Alert

First Alert Precision Detection 10-Year Sealed Battery Smoke Alarm - SMI110 (1046860)

Name: First Alert Precision Detection 10-Year Sealed Battery Smoke Alarm - SMI110 (1046860)
Brand: First Alert
SKU: first-alert-smi110
Price: 26.95 USD
Availability: InStock

$26.95

Price as of November 10, 2026 at firstalertstore.com. Prices change; the retailer shows the price today.

View at firstalertstore.com

This smoke alarm has a sealed lithium battery with a ten-year battery life.

Published by Fire Sprinklers. How we check each sprinkler contractor.