First Alert 1039746 Plug-in CO Alarm with Battery Backup and Digital Display

Keep occupants safe from invisible carbon monoxide threats with the BRK Electronics Plug-in CO Alarm with Battery Backup and Digital Display. Designed for residential and light commercial environments, this carbon monoxide detector uses an electrochemical sensor—the most accurate sensing technology—to provide dependable monitoring and early warning. The large backlit digital display shows CO levels in PPM so facilities managers and building owners can see exact readings at a glance, while the peak level recall records the highest detected concentration for post-event review.

Installation is fast: plug the unit directly into a standard outlet or mount it higher on a wall using the included line cord. Battery backup ensures the alarm remains operational during outages, and remote-control test/silence capability streamlines maintenance across multiple locations. Additional benefits include a temporary low-battery silence, nuisance alarm mute, and an end-of-life signal that notifies when replacement is needed. With a 7-year limited warranty, this BRK Electronics carbon monoxide detector integrates easily into your safety, security and monitoring plans. Add this CO alarm to your building’s life-safety system today for reliable surveillance against toxic CO exposure.

• Provides continuous, reliable CO protection with an electrochemical sensor for industry-leading accuracy
• Digital backlit display shows real-time CO levels in PPM for clear monitoring and fast decision-making
• Battery backup keeps the alarm active during power outages to maintain life-safety coverage
• Easy plug-in installation or wall-mounting plus remote-control test/silence for quick deployment and convenient maintenance
• Peak level recall and end-of-life signal simplify compliance checks and replacement planning, backed by a 7-year limited warranty