Carbon monoxide alarm that uses electro-chemical sensing technology to protect family from the dangers of carbon monoxide. Alarm will automatically activate when it is attached to the mounting bracket. At the end of alarm life, the unit will chirp, indicating the alarm is in need of replacement. A screwdriver can be used to deactivate the unit, stopping the end-of-life chirp and making it safe for disposal. The inside cover of the mounting bracket features a quick reference guide for what to do in case of an alarm. This easy-to-install alarm is suitable for all living areas and has a 10 year life. This alarm provides to you and your family with a loud warning signal to dangerously elevated levels of carbon monoxide in your home. The unit contains a 10-year tamper proof battery that eliminates the need for battery replacement and provides continuous monitoring of CO levels, even during power outages. The event memory feature alerts you if a high level of carbon monoxide has been detected within the last 14 days.