First Alert C0400 Carbon‎ Monoxide Alarm - White I1

First Alert C0400 Carbon Monoxide Alarm - White I1 BRAND NEW SHIPS OUT WITHIN 24HRS!! The First Alert C0400 Carbon Monoxide Alarm in White is a reliable and efficient battery-operated carbon monoxide detector. With its electrochemical carbon monoxide sensor, this alarm provides peace of mind against potential carbon monoxide leaks. Its sleek design and easy installation make it a convenient addition to any home, ensuring safety and security from this colorless, odorless gas.