First Alert 1039746 Dual-Power Carbon Monoxide Plug-in Alarm with Digital Display

• Model number CO615;• Dual-power carbon monoxide alarm offers continuous monitoring of carbon monoxide levels;• Plugs into any outlet & features battery backup;• Backlit digital display shows readings for power & carbon monoxide;• Single test/silence button for simple operation;• End-of-life timer signals when the detector needs replacing;• 7-year limited warranty;• Includes 2 AA batteries;