First Alert CO400 Battery Operated Carbon Monoxide Alarm Size:9V Temperature range -60°F to 120°F

Temperature range -60°F to 120°F

Comfortable foam padding for extra knee protection

Red vinyl cushion grips

Wide base for improved stability during layout

First Alert CO400 Battery Operated Carbon Monoxide Alarm Size:9V Temperature range -60°F to 120°FThe First Alert CO400 Battery Operated Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide. This carbon monoxide detector is battery operated, making it portable and easy to use, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 decibel alarm alerts you to the threat. Detector features a single test silence button for efficient testing Battery operated detector is