First Alert® Battery-Operated Carbon Monoxide Alarm, White, CO3-B01-T

Be alerted to dangerous carbon monoxide leaks. Install the First Alert® CO3-B01-T Battery-Operated Carbon Monoxide for reliable detection. Its convenient maintenance features and flexible wall-mount design make it easy to add CO detection throughout your home. Powered by a user-replaceable 9-volt battery, the alarm can be easily installed. When CO levels become elevated, a loud 85-dB alarm alerts you to the threat. Designed to be simple to use, the CO detector has just 1 button that silences or tests the unit, as well as an end-of-life timer that lets you know when it is time to replace the device. It’s recommended that alarms should be placed on every level and in every bedroom of the home.