The Kidde C3010 is a 10-year, sealed battery, carbon monoxide alarm that uses electro-chemical sensing technology to protect you and family from the dangers of carbon monoxide. The C3010 alarm will automatically activate when 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. The C3010 is easy to install and is suitable for all living areas. Ten-year life and limited warranty.