FirstAlert

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

Name: First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 12-Pack
Brand: FirstAlert
SKU: SPH-B0CJLG19H6
Price: 389.98 USD
Availability: InStock

$389.98 USD

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Product Details

About This

First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Through early warning interconnect, when one alarm sounds, all compatible alarms will soun
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 need to rewire

Overview

Brand : First Alert
Style : Precision Detection
Power Source : Battery Powered
Color : White
Product Dimensions : 5.5"D x 2"W x 5.5"H
Item Weight : 8.8 ounces
Alarm : 85 dB
Operating Humidity : 10-95% RH
Sensor Type : Ionization
Unit Count : 12 Count

Shipping & Delivery

We currently ship within the United States only.

Order processing typically takes 3–5 business days, followed by an estimated 3–8 business days for delivery. The total estimated delivery time is 6–13 business days, excluding weekends and public holidays. A different timeframe may apply if stated on the product page before purchase.

Delivery dates are estimates, not guarantees. Shipping charges are shown at checkout.

See our Shipping & Delivery policy for full details.

Returns & Refunds

You may request a return within 30 days of receiving your item. Contact us before sending anything back.

For eligible change-of-mind returns, items must be unused and in their original condition, with tags, packaging, and accessories. Return shipping costs are your responsibility. We do not charge a restocking fee.

If your item arrives damaged, defective, or incorrect, contact us so we can review the issue and arrange a resolution. We cover required return shipping for confirmed issues.

Some exclusions apply. See our Returns & Refunds Policy for full details.

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

5 reviews

5 left in stock

389.98

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Details

About This

First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Through early warning interconnect, when one alarm sounds, all compatible alarms will soun
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 need to rewire

Overview

Brand : First Alert
Style : Precision Detection
Power Source : Battery Powered
Color : White
Product Dimensions : 5.5"D x 2"W x 5.5"H
Item Weight : 8.8 ounces
Alarm : 85 dB
Operating Humidity : 10-95% RH
Sensor Type : Ionization
Unit Count : 12 Count

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Frequently Asked Questions

Where can I find product specifications?

Select “View Product Details” to see each product’s specifications, available options, and included items. Check compatibility and usage instructions before ordering.

Where can I find shipping information?

We currently ship within the United States only. Shipping charges are shown at checkout. Please see our Shipping & Delivery page for processing and estimated delivery times.

How do I request a return?

You may request a return within 30 days of receiving your item. Contact us before sending anything back. Eligibility, exclusions, and return shipping costs are explained in our Returns & Refunds Policy.