First Alert Dual-Sensor Smoke and Fire Alarm White 1039828 - Best Buy

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The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide. This carbon monoxide detector is battery operated, making it portable and easy to use, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85-decibel alarm alerts you to the threat.

First Alert Battery Powered Carbon Monoxide Alarm

🌍 FIRST ALERT Smoke Alarm,No Box ‼️

The First Alert Ionization Smoke Alarm features a tamper-resistant lithium battery that provides a full 10 years of protection without having to change the batteries. A mute feature silences nuisance alarms from cooking smoke or shower steam. This smoke and fire alarm includes power LED and alarm indicator, end of life signal and single test/silence button so you can test your alarm regularly.

First Alert 10-Year Battery Ionization Smoke Alarm 0827b

First Alert Hardwire Smoke & CO Home Value Pack

First Alert 1039796 Ionization Smoke Alarm, White

The First Alert SA521CN-3ST Interconnected Smoke Alarm allows owners to create an interconnected fire alarm system without the cost and hassle of wiring. Use this smoke detector to replace an existing hardwired smoke alarm and then install additional First Alert Wireless alarms for an interconnected safety network additional alarms sold separately. This hardwired smoke detector can connect and communicate with up to 18 compatible alarms so when one alarm is triggered the entire system reacts.

First Alert 1039830 Wireless Smoke Alarm

First Alert SA320FF Dual-Sensor Smoke and Fire Alarm, Battery

The 4 Best Basic Smoke Alarms of 2024

The 4 Best Basic Smoke Alarms of 2024

First Alert SA320FF Dual-Sensor Smoke and Fire Alarm, Battery

The 4 Best Basic Smoke Alarms of 2024

Dual Sensor Smoke Alarm

The detectors feature electrochemical CO sensing technology ionization sensors for smoke detection and 85-decibel alarms. One button silences any nuisance alarms and also tests detector functions while lights indicate if the alarm detects smoke or carbon monoxide.

First Alert Dual-Sensor Smoke & Fire Alarm

The 4 Best Basic Smoke Alarms of 2024