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The First Alert SMI100-AC is a reliable hardwired smoke alarm featuring an interconnect system that alerts you throughout your home in the event of fire. Equipped with a battery backup, it ensures constant protection even during power outages. Designed for easy installation and long-lasting safety, this 1-pack offers peace of mind for you and your family.

A sleek wide-angle view of the First Alert SMI100-AC smoke alarm showcasing its modern design. This image emphasizes the device's large, easy-to-access test and reset button for quick safety checks. Perfectly sized for residential use, it blends functionality with subtle aesthetics.

Clear depiction of the First Alert smoke alarm installed on a ceiling. The image highlights how the device integrates seamlessly with home ceilings, demonstrating the simplicity of hardwired installation and its discreet presence within your living space.

Close-up of the smoke sensor and circuitry, illustrating the advanced technology within the First Alert SMI100-AC that provides quick and accurate smoke detection. Designed for optimal responsiveness in emergency situations.

Visual of the battery backup compartment, ensuring uninterrupted smoke detection. This feature offers vital protection during power failures, maintaining safety when you need it most.

Illustration of the device’s interconnect feature, which allows multiple alarms to sound simultaneously. This system maximizes safety by providing whole-home alerts in the event of smoke detection.

The smoke alarm’s removable design for easy maintenance, including battery replacement and routine testing. This feature encourages regular upkeep to ensure dependable performance.

Packaging presentation of the First Alert SMI100-AC including all essential components required for installation. This image highlights the complete 1-pack solution designed for immediate use in your home.

Recommended placement of smoke alarms throughout your home according to safety guidelines. Proper positioning is essential to maximizing the smoke alarm’s effectiveness and ensuring early detection.

Step-by-step visual demonstrating the straightforward installation process. The alarm’s design supports quick hardwiring and battery backup setup, enabling you to secure your home effortlessly.

Demonstration of the testing function to ensure reliable alarm performance. Regular testing helps maintain the device in peak working condition, providing confidence in your home safety.

Guidance on replacing smoke alarms and upkeep to ensure long-lasting protection. Proper maintenance extends the life of your alarm and sustains effective fire safety coverage.
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