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Ensure your home’s safety with the First Alert Battery Combination Smoke & Carbon Monoxide Alarm SMCO100. This reliable dual-sensor alarm detects both smoke and carbon monoxide, providing early warnings and peace of mind for you and your family. Its easy battery operation and clear alerts make it an essential addition to any household.

Sleek and modern design of the First Alert SMCO100 alarm combines functionality with style. Its compact profile integrates seamlessly into any living space while providing critical safety alerts. Perfect for bedroom, hallway, or kitchen installation.

Durable housing and user-friendly features make this alarm easy to install and maintain. The battery-powered system ensures continuous operation even during power outages. Side view highlights the compact build and accessible test button.

Close-up of the advanced smoke detector sensor. Designed to sense smoke particles quickly and trigger alarms promptly, improving home safety and early fire detection.

Detailed view of the carbon monoxide sensor embedded in the device. This sensor detects invisible and odorless CO gas, providing vital protection against poisoning.

Easy-access battery compartment for quick replacement. The SMCO100 uses long-lasting batteries, ensuring your alarm stays operational with minimal maintenance.

The test button and LED indicator ensure that users can easily verify the alarm’s functionality. Regular testing keeps your home protected reliably at all times.

Installation example showing the SMCO100 mounted on a ceiling. Proper placement in key areas provides comprehensive protection against fire and carbon monoxide hazards throughout your home.

Diagram illustrating recommended placement for optimal smoke and carbon monoxide detection. Position alarms in hallways, bedrooms, and living areas to maximize safety coverage.

Step-by-step installation process of the First Alert SMCO100 alarm. Designed for easy mounting with included hardware, this guide ensures a hassle-free setup for your home.

Demonstration of testing the alarm regularly to ensure full functionality. Pressing the test button activates the alarm sound and indicator lights for confirmation.

Guidance for battery replacement ensuring uninterrupted protection. Timely battery changes help maintain reliable smoke and carbon monoxide detection at all times.