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First Alert SA9120BPCN Hardwired Smoke Detector with Battery Backup

About this item

At a glance

Hardwired Installation Required
Hardwired Installation Required


  • Durable smoke alarm
  • Battery included
  • Features universal mounting bracket and tamper-proof locking pins


Dimensions (Overall): 5.5 Inches (H) x 5.5 Inches (W) x 1.99 Inches (D)

Weight: .67 Pounds

Includes: Battery

Package Quantity: 1

Requires Hardwired Installation: Yes

Battery: 1 9-Volt Alkaline, Required, Included

Warranty: 10 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869

TCIN: 15022130
UPC: 029054018793
Item Number (DPCI): 085-14-0254
Origin: Imported


First Alert Replacement Hardwired Smoke Alarm (Model SA9120B) is 120V AC powered alarm with 9V battery backup in the event of power failure. The alarm can be interconnected with up to 12 other compatible smoke alarms and six compatible devices such as bells and horns. Features a universal mounting bracket and tamper-proof locking pins, plus adapter plugs to replace other non-First Alert alarms without rewiring. Alarm includes a loud, 85dB siren and single button test/silence. Meets UL217 standard and backed by 10 year limited warranty.
Hardwired Installation Required
Product requires hardwired installation.
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Guest Ratings & Reviews

4.7 out of 5 stars with 20 reviews
91% would recommend
12 recommendations
quality: 4.22 out of 5
value: 4.29 out of 5

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