First Alert product details

First Alert BRK Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack

Name: First Alert BRK Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack
Brand: First Alert
SKU: B0CJLCXYY6
Price: 78.15 USD
Availability: InStock
Rating: 4.5 (875 reviews)

The First Alert BRK Smoke Alarm offers reliable smoke detection with a hardwired installation and a 10-year battery backup, making it a solid choice for enhancing home safety.

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First AlertEasyCheck retailer and product detailsSmoke detection alerts

First Alert BRK Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack

The First Alert BRK Smoke Alarm offers reliable smoke detection with a hardwired installation and a 10-year battery backup, making it a solid choice for enhancing home safety.

Price

$78.15

Rating

4.5 / 5

Reviews

875

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Feature Profile

Key features

Highlighted product signals from the available product profile.

Verify compatibility before buying

Product Fit

Best-fit signals

Easy

Best For

Primary shopper use-cases identified from product data.

Homeowners looking for reliable smoke detectionFamilies prioritizing safety

Automation Use Cases

Main needs or product-fit signals this product may support.

Smoke detection alerts

Ecosystem Fit

Shown only when ecosystem fit is available.

Compatibility should be verified

Install Fit

Shown only when setup or installation fit is available.

Hardwired

Not Ideal For

Potential mismatch notes when available.

Renters unable to install hardwired devicesThose seeking battery-operated options

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Trust Signals

How to read this product page

Last updated: June 9, 2026. Product information can change, so the retailer page is the final source for current price, availability, warranty, subscription, and compatibility details.

Comparison Logic

This page weighs category fit, smart-home use case, compatibility signals, price, rating, review volume, and product profile data.

Original Summary

Summaries are written for shopping clarity from available product data and AI-assisted profile signals, not copied retailer text.

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