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9120B
9120B
9120B
9120B
9120B

9120B

Hardwired Ionization Smoke Alarm with Battery Backup

This product is no longer available for purchase.
Find Equivalent or Replacement Products.

This product is available in the US only.

  • Product Info
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Overview

Smoke alarms help provide an early warning in the event of an emergency. First Alert has been protecting homes and families since 1958 and is proud to offer a variety of reliable and easy installation options for home smoke detectors.

Product Specifications

Hazmat Information
UN 2911, RADIOACTIVE MATERIAL, EXCEPTED PACKAGE - INSTRUMENTS or ARTICLES, 7
Application
Smoke Alarm
Dimensions (in.)
5.6 in dia. x 2.0 in H
Approvals, Underwriters Laboratories Inc.
Listed to UL 217
Operating Humidity Range (% RH)
10% to 95% Relative Humidity (RH)
Sensor
Dual Ionization
Voltage
120V AC 60Hz
Operating Temperature Range (F)
40 °F to 100 °F
Operating Temperature Range (C)
4 °C to 38 °C
Weight (oz)
7.8 oz
Power Method
Hardwired
Color
White
Current
0.04 amps (standby/alarm)
Battery Backup
9V
Sensor Information
Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires.
Alert Type
Sound: 85dB at 10 feet