First Alert Plug-In 120V Electrochemical Carbon Monoxide Alarm (2-Pack)

Plug-in carbon monoxide detector with battery backup allows for continuous monitoring during power outages. Single test/silence button for simple operation. Loud 85-decibel alarm sounds when CO levels are elevated. CO detector plugs into any standard electrical socket. Plug-in CO detector alerts you to carbon monoxide.

Features:

• Battery backup allows for continuous monitoring during power outages
• Single test/silence button for simple operation
• Loud 85-decibel alarm sounds when CO levels are elevated
• Plugs into any standard electrical socket