X-Sense Plug-In Carbon Monoxide Detector XCOC-SA AAA Backup NIOB
CONDITION — NEW IN OPEN BOX (NIOB). Carbon monoxide (CO) detectors are essential household safety devices designed to monitor indoor air for the presence of carbon monoxide gas—an odorless, colorless byproduct of fuel-burning appliances such as furnaces, water heaters, fireplaces, generators, and gas stoves.