Universal Security Instruments Carbon Monoxide Detector

Provides 10 years of continuous protection against the silent killer, carbon monoxide. Sealed battery (included) will never have to be replaced throughout the life of the alarm. Loud 85 decibel alarm. Features microprocessor intelligence to virtually eliminate nuisance alarms. Mount this alarm on the wall or leave it standing up on a table top. Features 10-year limited warranty. Manufacturer part number MC304SB.