Combination Smoke & Carbon Monoxide Alarm

Ten-year sealed battery, two hazards, one device.

4.727,400 Amazon ratings$39

Sentinel ChoiceNew Homeowner PickBest Seller

Installation difficulty

Easy

Estimated time

15 minutes

Warranty

10 years

Overview

Covers both smoke and carbon monoxide with no battery swaps. Best used for every bedroom hallway and each floor of the home. Compatible with any residential ceiling or wall mount.

Features

• 10-year sealed battery
• Photoelectric smoke sensing
• Electrochemical CO sensing

Maintenance tips

• Press test monthly.
• Vacuum the housing twice a year.

Frequently asked questions

How many do I need?

One per bedroom, one outside each sleeping area, and at least one per floor including the basement.

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