BRK SC9120BA

BRK® Smoke and Carbon Monoxide Alarm, Combination, 120 VAC Power Source, 10 ft Detection, Electrochemical/Ionization Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, LED Visual Alert, 10 to 95 % Humidity, 2 Sensors, 40 to 100 deg F Operating, White, 5.6 in Dia x 2 in H Dimensions.

The BRK SC9120BA Hard-Wired Smoke and CO Alarm with Battery Backup gives you the confidence of continuous protection for your home and family. Unlike battery-only models, this alarm connects directly to your home’s 120 VAC power supply while the battery backup ensures safety during power outages. The dual sensors provide reliable detection of both smoke and dangerous carbon monoxide levels, helping to prevent false alarms and deliver early warning you can trust.

With the ability to interconnect up to 18 compatible alarms, you’ll enjoy whole-home coverage—when one unit sounds, all connected alarms will alert, giving your family valuable extra time to act. The compact design, loud 85 dB siren, and easy installation make this the perfect upgrade for any household that values long-lasting, reliable safety.

Choose BRK and protect what matters most with a combination smoke and CO alarm that’s hard-wired, dependable, and backed up by battery power when you need it most.