First Alert Combination Smoke and Carbon Monoxide Alarms work exceptionally well in detecting smoldering fires. Leaps in ingenuity and technology have allowed this alarm to successfully decipher between nonhazardous and potentially life threatening smoke patterns. The realization of Photoelectric Smoke Sensing Technology will effectively reduce the number of nuisance alarms triggered by cooking smoke and shower steam. This alarm comes equipped with a Mute Button that serves the dual purpose of quickly silencing your alarm as well as testing its function.
Combination Smoke and Carbon Monoxide Alarms utilize an Electrochemical Sensor that allows for optimal efficiency in detecting carbon monoxide. This alarm also comes equipped with an EZ access battery door that removes the hassle and burden of collecting your alarm from the ceiling and replacing its batteries. The combination of an End of Life Timer and an increased emphasis on the unit's 85db sound output establish peace of mind, while the inclusion of Dual Smoke and Carbon Monoxide Sensing all but guarantees the safest of experiences. This alarm carries a 7 year limited warranty and complies with UL217 and UL2034 Standards.