First Alert SMI100 Ionization Smoke Alarm (2-Pack)

This battery-operated 2-pack smoke alarm uses ionization technology to provide fast, reliable early warning against fast-flaming fires, with low nuisance alarms and easy maintenance.

✨ Key Features & Details

1. Precision Ionization Detection

• Fast Response to Flaming Fires: Ionization sensors quickly detect small, fast-burning fires (e.g., paper, kitchen grease), triggering early warnings to give critical escape time.

• Reduced Nuisance Alarms: Advanced sensing technology minimizes false alarms from cooking steam or smoke, while still meeting industry safety standards.

2. Battery-Powered & Low-Maintenance

• Easy Battery Access: Front-loading battery compartment lets you replace batteries without removing the alarm from the ceiling.

• End-of-Life Warning: A distinct alert signals when it’s time to replace the entire unit, ensuring continuous protection.

3. Simple, Functional Design

• Test/Silence Button: One button lets you test the alarm weekly or silence non-emergency alerts (e.g., burnt toast) with ease.

• Compact & Durable: White, low-profile design blends into ceilings/walls, weighing just 0.6 lbs for easy installation.

📌 Additional Information

• Brand: First Alert (Overall Pick)

• Pack Size: 2-Pack

• Sensor Type: Ionization

• Power Source: Battery-powered

• Customer Rating: 4.5 stars (3,849 reviews)