Amazon

First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack

4.7 (11,719) out of 5 stars on Amazon

$126.24

$21.04 each (6 in the pack)

300+ bought last month

The price may change at the store.

We may earn a commission, at no extra cost to you. As an Amazon Associate, On Sale Spot earns from qualifying purchases. Learn more

About this product

Store: Amazon
Category: Tools & Home Improvement
Store rating: 4.7 out of 5 (11,719 ratings)
Sales: 300+ bought in past month

Frequently bought together

See all

Goes well with this

See all

FAQs about First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack

How much is First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack?

At our last check, it was $126.24 on Amazon (checked Nov 11, 2026, 12:11 PM ET). Prices can change on the store at any time.

Is First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack well rated?

It is rated 4.7 out of 5 stars from 11,719 ratings on Amazon.

Where can I buy First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack?

On Amazon, through the button on this page. On Sale Spot does not sell products directly: the purchase, payment and shipping are handled by Amazon.

What goes well with First Alert BRK SMI100-AC Hardwired Smoke Alarm with Battery Backup, Contractor 6-Pack?

People who buy this often also get: Amazon Basics 8-Pack 9V Long-Lasting Alkaline Batteries for Smoke Detector, Electronics & Audio, Reliable, 5-Year Shelf Life ($12.69 on Amazon); 25 in 1 mini screwdriver set, flat head and cross shaped small screwdrivers, suitable for electronic products ($2.21 on AliExpress); 1pc Universal Double Ended Wrench, Self-Tightening 3-17mm Screw Nuts Repair Wrench, Double-Headed Ratchet Spanner, Adjustable ($2.29 on AliExpress).