First Alert Carbon Monoxide Alarm Model CO400 Battery Powered Alarm (D3)
The First Alert Carbon Monoxide Alarm Model CO400 is a battery-powered alarm designed to detect carbon monoxide gas in your home. Manufactured in 2018, this white alarm features an electrochemical carbon monoxide sensor and operates with a single battery. With dimensions of 3.4 inches in depth and 1.5 inches in width, this unit from First Alert weighs 0.7 pounds and has an operating sound rating of 85 db. The alarm is designed to provide reliable protection against carbon monoxide poisoning in a sleek and compact package.