Protecting Homes & Families Since 1958

First Alert leads through innovation, and has built a legacy of trust, delivering unparalleled reliability.

Happy family of four in front of safe house

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Wireless Interconnect Battery Carbon Monoxide Alarm Front View

Model: CO500CNA-3ST

Wireless Interconnect Battery Carbon Monoxide Alarm

Wireless Interconnect Battery Smoke Alarm Front View

Model: SA500CNA-3ST

Wireless Interconnect Battery Smoke Alarm

Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm Front View

Model: SCO500NVA

Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm

Where to Buy

First Alert products can be purchased at the retailers below.