First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup, WHITE, 1 Pack
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup, WHITE, 1 Pack

(892)
Average Battery Life: 8760 hours Batteries: 1 9V batteries required. (included) Batteries Included? Yes Batteries Required? Yes Color: Customer Reviews: 4.5 out of 5 stars 959 customer reviews 4.5 out of 5 stars Finish: Not Applicable Included Components: 9-Volt Backup Battery, 7-Year Limited Warranty, 1-Combination Smoke And Co Alarm, User's Manual. ... Show moreItem Dimensions: 5.6 x 5.6 x 1.9 in Item Package Quantity: 1 Item Weight: 8 ounces Item model number: SC9120B Origin: China Part Number: SC9120B Size: 1 Pack Warranty Description: 7 Year Limited

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The product you’re viewing received 12% of the views and 17% of the orders versus these alternatives.

First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup
(892)

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Recent Views
12%
Recent Orders
17%
First avail.
Oct 2014

Amazon Ranking & Rating

(892)

#2 in Tools & Home Improvement > Safety & Security > Fire Safety > Combination Smoke & Carbon Monoxide Detectors

Top positive Amazon review

PA_O's_Fan

a year ago

I replaced some old smoke detectors that were put in place when the house was built with these and they work great. No false alarms, a green light shows that there is power, they connect to the wi...

Top negative Amazon review

Raul Gomez

3 years ago

(46)

The problem I'm having is with the 9 volt battery - after 24 hrs. the battery started chirping. Replaced it with new battery and the same thing happened after a day the battery started chirping aga...

YouTube Reviews 4

1:10

Review of First Alert BRK SC9120B Hardwire Combination Smoke and Carbon Monoxide Alarm

Daniel Vince 3 years ago 4k views
0:55

Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

First Alert Store 5 years ago 13k views
4:10

Review and installation of First Alert 9120B

Happy Web 2 years ago 5k views
5:40

First Alert SC9120B Reviews

Amazon Reeviewer 3 years ago 1k views