LIVING AREA PLUG-IN CARBON MONOXIDE ALARM

Features 10 year sealed battery that does not need replacement. Digital display provides daytime visibility that automatically dims in dark conditions & displays level of CO the unit is sensing. Peak Level button displays the highest level of CO recorded since the last reset. Test/Reset button will test unit for proper operation & reset alarm. Unit will alert user to replace after 10 years of operation. 10 year limited warranty.