Universal Security Instruments MCN400B M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

Carbon monoxide and natural gas leaks are a silent invisible threat to you and your family. This 2-in1 Carbon Monoxide & Natural Gas Alarm protects your home with a dual sensing alarm and Smart Alarm technology that reduces the occurrence of nuisance alarms. The alarm is compact and easily installed by simply plugging into an outlet with a 9 volt battery providing backup in the event of a power outage. USI (Universal Security Instruments Inc.) makes the most innovative home protection solutions available today. Saving lives is what we do for a living.