First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

Price: $60.75
(as of Mar 21, 2025 07:19:15 UTC – Details)

Combination smoke and CO alarm eliminates the need for two electrical boxes and features a permanently installed CO sensor and a dual ionization smoke sensor. The quick plug-in connectors for easy installation can be interconnected with up to 12 First Alert smoke alarms and 6 additional devices. The alarm is wired directly into your homes electrical system and includes a battery backup and mute button. Hard-wired detectors with battery backup ensures alarms work even during power outages. Battery installation and removal can occur while the unit is mounted to the ceiling or wall via the side load battery compartment. The mute feature silences nuisance alarms, single button tests alarm functions and alerts when it is time to change battery. The First Alert SC9120BNCA Hardwire Combination Carbon Monoxide/Smoke Alarm comes with a 5-year limited warranty. First Alert is the most trusted brands in home safety. Our mission is helping protect the lives, well being and the valuables of our customers.
120-Volt hard-wired detector. Electrochemical, Ionization sensor type
Alarm is wired directly into your electrical system and includes a battery backup and mute button
Battery backup ensures alarms work even during power outages
Combination smoke and CO alarm eliminates the need for 2 electrical boxes
5-year limited warranty
Loud 85db Siren