First Alert Dual Powered Carbon Monoxide Alarm 3-pack

First Alert Dual Powered Carbon Monoxide Alarm 3-pack offers comprehensive home safety coverage with reliable detection across multiple rooms. Each unit features dual power capability—operating on both AC and battery backup—ensuring continuous monitoring even during power outages. The advanced electrochemical sensor detects dangerous carbon monoxide levels quickly, triggering a loud alarm to alert occupants. With a 3-pack configuration, you can strategically place alarms near bedrooms, living areas, and fuel-burning appliances for maximum protection. These detectors meet UL standards and include test buttons for regular functionality checks, making them an essential addition to any household safety plan.