First Alert 2IN1 Smoke And Carbon Monoxide Alarm SCO7CN

Every single CO alarm we make is tested at each stage of production for Maximum Safety Assurance. From the circuitry to the durability, no alarm is left unturned.

– Sensor Test : The electrochemical sensors are tested for maximum accuracy.

– Siren Test : We make sure the siren sounds at 85db, loud enough to alert your family

– Dual Smoke & CO Sensing : Ultimate protection from 2 deadly dangers

– Electrochemical CO Sensor : Most accurate Technology available for detecting CO (compared to other common sensing technologies)

– Muted Button : Mutes unwanted alarms and tests alarm function with same button

– Alarm Replacement Alert : After seven years alarm lets you know it is time to be replaced

– 2 AA Batteries Included

– Meets UL2034 & UL217 Standards