First Alert Dual-Power Carbon Monoxide Alarm with Digital Display

Description

This plug-in carbon monoxide detector monitors dangerous CO levels with battery backup for continuous protection during power outages. The backlit digital display shows both carbon monoxide and power readings at a glance. Perfect for any home, it features a convenient test button and end-of-life timer to alert you when replacement is needed.

Specs

• Dual-power: AC outlet with battery backup
• Backlit digital display
• Electrochemical sensor technology
• 85 dB alarm sound
• Includes 2 AA batteries
• 7-year limited warranty

In the box: Alarm unit, 2 AA batteries