Skip to main content
Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White

Roll over image to zoom in

  • Product Features

  • Product Overview

  • Related Videos

  • Reviews

  • Questions & Answers

First Alert 9120B Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White

Item #: 9120B by FIRST ALERT/BRK BRANDS INC

UPC #: 29054513014

See reviewsSee reviews
In Stock

$37.83

/each
SAVE UP TO 3.78

Buying in bulk

QUICK SHIPPING*Usually ships in 1 business day
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now
Large Order Quote

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Safe Payment
Features
  • 120 V hardwired smoke alarm wires directly into your home's electrical system
  • Ionization smoke sensor is optimal for detecting fast flaming fires
  • Gasket-less mount system for hassle-free installation
  • Easy-to-access battery drawer
  • Can integrate with up to 12 other first alert or BRK hardwired smoke detectors
  • Battery backup for detection during a power outage
  • Tamper-resistant locking pins
  • Interconnectable up to 18 units such as 12 smoke and 6 CO/heat/relay
  • Emits T3 pattern

Height

5.59

Length

5.69

Width

2.25

Brand

BRK

Hazardous Material

No

ECCN

EAR99

Country Origin Code

MX

Dimensions

5.6 in L x 1.9 in W x 5.6 in H

Warranty

10 year limited

Color

White

Operating Temperature

40 to 100 deg F

Power Supply

120 V

Sound Level

85 dB

Nomenclature

9120B SMOKE ALARM AC/DC

Voltage

120

Power Source

Hardwired

Width (in)

5.6

Length (in)

5.6

Height (in)

2

Certification

UL Listed

Noise Rating (dB)

85

Battery Type

9V

Battery Back-up

Yes

Product Overview
ALARM SMOKE AC/DC HRDWIRED ION
Specifications:

Includes: 9 V Battery

Designed to help promote household safety, the FIRST ALERT 9120B hardwired smoke alarm with battery backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.