BRK SC9120LBL 120V AC/DC Smoke and CO Alarm, 10YR Lithium Battery, Locked Battery Drawer

Protect people and property with a single, dependable device that combines smoke and carbon monoxide detection in one unit. The BRK Electronics SC9120LBL 120V AC/DC Smoke and CO Alarm pairs hardwired 120V reliability with a sealed 10-year lithium battery backup so you get uninterrupted protection and reduced lifetime maintenance. An electrochemical CO sensor provides highly accurate carbon monoxide monitoring while Intelligent Sensing Technology helps minimize nuisance alarms—so your security and surveillance teams can focus on real threats. The unit ships with a locked battery drawer to prevent premature removal and features a latching alarm indicator to quickly identify the initiating device. At 85 dB the audible alarm meets visibility and audibility requirements, and UL 217/2034 listings support code-compliant installations. Ideal for residential, multifamily, and light-commercial environments, the SC9120LBL simplifies safety system deployment and ongoing maintenance. Add this combination detector to your security and monitoring plan today to enhance occupant safety and streamline compliance.

• Long-life protection with a 10-year lithium battery backup that reduces maintenance and ensures continuous smoke and CO monitoring for the life of the alarm
• Locked battery drawer shipped pre-locked to prevent premature removal and maintain reliable backup power in critical security systems
• Electrochemical CO sensor delivers industry-leading accuracy for faster, more reliable carbon monoxide detection in homes and light commercial sites
• Intelligent Sensing Technology plus latching alarm indicator reduce nuisance alarms and clearly identify which unit initiated an event for faster response
• Hardwired 120V installation with bracket mount and single-button test/silence for easy integration into existing monitoring and security setups