First Alert SM310 smoke alarm front view for reliable home protection.
First Alert SM310 sealed battery status shows 10-year power, no replacement needed.
First Alert SM310 dual sensors illustration detecting both fast and slow fires.
First Alert SM310 test-silence button demonstrating quick verification and nuisance alarm management.

First Alert

First Alert SM310 Smoke Alarm – 10-Year Sealed Battery Dual-Sensor Detector with Test & Silence (1-Pack)

High-performance tools and home improvement made for confident daily results

$84.40

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Why customers choose TaskHolt Tools

Overview

Meet the First Alert SM310, a smoke alarm designed for dependable protection in busy homes. Built around Precision Detection and dual sensors, it balances early warning with fewer nuisance alarms. The unit is designed to meet updated industry standards, focusing on everyday safety, simplicity, and long-lasting power.

Power and Protection You Can Rely On

  • 10-year sealed battery eliminates replacements and low-battery chirps for the life of the alarm.
  • Dual sensors provide detection for both fast flaming and slow smoldering fires, broadening coverage across common scenarios.

Easy Testing and Maintenance

  • Test and silence button enables quick checks and temporary quieting of nuisance alarms.
  • End-of-life warning clearly signals when it’s time to replace the unit, helping maintain protection over time.

Designed to integrate into homes with minimal upkeep, the SM310 focuses on reliable operation, clear alerts, and practical features that support everyday use. While no single alarm can guarantee fire safety, the combination of sealed power, dual sensing, and a straightforward testing cycle offers a practical approach to home protection.

Ideal for bedrooms, hallways, and living areas, the SM310 is a straightforward addition to a safety plan. Its low-profile design helps it blend into typical interior spaces while delivering dependable alert behavior when every second counts.

FAQ

Q: What makes the SM310 different from standard smoke alarms?

A: It uses precision detection and dual sensors to help detect fast flaming and slow smoldering fires, with a 10-year sealed battery.

Q: How will I know when to replace the alarm?

A: An end-of-life warning informs you when replacement is due, helping maintain protection without guessing.

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