First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup – 12-Pack

Advanced smoke detection with interconnect protection

Meet the First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup. This model aligns with current industry standards and uses Precision Detection sensing to respond quickly to real hazards while limiting false alarms from everyday cooking.

Key benefits at a glance

• First Alert's Precision Detection advanced sensing technology complies with new standards to reduce cooking nuisance alarms and provide early warning in a home fire emergency
• Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
• Battery backup provides continuous protection during power outages
• Alarm indicator visually identifies the unit that initiated the alarm
• Quick Connect Plug included allows for easy installation with no rewiring

Easy installation and flexible coverage

Designed for straightforward replacement, this unit installs with no rewiring, just connect and go. When paired with other First Alert interconnect alarms, you can build a whole home safety net that alerts you early in the event of a household fire situation. The built in battery backup ensures protection even when the power is out, so you stay informed during an outage.

Practical uses and setup ideas

• Ideal for kitchens and living spaces where nuisance alarms are common, yet early detection matters
• Recommended for multi room layouts to enable broad coverage and synchronized alerts

Why choose a 12 pack

Purchasing a 12 pack supports coordinated deployment across multiple rooms, hallways, and entry points, offering consistent protection and streamlined replacement if needed. Interconnect capable alarms help you create a more responsive home safety network without complicated wiring.