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First Alert SC9120B Smoke & Carbon Monoxide Alarm

Protect Your Home and Family

The First Alert SC9120B is a state-of-the-art combination alarm designed to provide early warning against two of the most common household threats: smoke and carbon monoxide (CO).

This advanced device integrates intelligent sensing technology to help reduce nuisance alarms, ensuring reliable protection without unnecessary disturbances. It is engineered for straightforward installation and maintenance, offering peace of mind for families.

Key Features:

Dual protection: Detects both smoke and carbon monoxide.
Intelligent Sensing Technology for fewer false alarms.
Smart Interconnect capability for whole-home notification.
Single Button Test/Silence for easy operation.
Latching Alarm Indicator to identify the initiating alarm.
AC powered with battery back-up for continuous protection.

This manual provides comprehensive details on installation, operation, safety tips, and troubleshooting to ensure optimal performance and safety.

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