Skip to content

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 with Slim Profile Design - SM210 (1046740)

$29.95

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

A slim-profile smoke alarm uses a sealed ten-year battery.

Published by . How we check each alarm company.