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First Alert

First Alert Battery Operated 3V Electrochemical Digital Display Carbon Monoxide Alarm

Category Carbon Monoxide Alarm
 
C
 
C
520840 520840
520840 520840
First Alert

First Alert Battery Operated 3V Electrochemical Digital Display Carbon Monoxide Alarm

Item Code: 520840
Category Carbon Monoxide Alarm
  • Electrochemical sensor
  • Easy-to-read backlit digital display allows a quick view current and peak CO levels
  • Powered by two replaceable AA batteries, offering peace of mind even during power outages
  • EZ access battery door allows you to change out batteries without having to dismount the alarm
  • 85-decibel horn sounds if carbon monoxide levels are too high, and a test/silence button silences the alarm and allows you to test its functionality
  • No installation or outlet is required, and an optional wall mount is included
Battery-operated carbon monoxide alarm with backlit digital display. Uses an electrochemical carbon monoxide sensor, the most accurate CO detection technology available, to detect the CO you can't see, smell, or taste in the air. An easy-to-read backlit digital display allows a quick view current and peak CO levels. Powered by two replaceable AA batteries, offering peace of mind even during power outages. Battery life varies according to use and application. An EZ access battery door allows you to change out batteries without having to dismount the alarm. An 85-decibel horn sounds if carbon monoxide levels are too high, and a test/silence button silences the alarm and allows you to test its functionality. No installation or outlet is required, and an optional wall mount is included.
Weight

1.99lb

Height

8.4in

Width

9in

Length

8.45in

Batteries Included

Yes

Battery Back-up

Battery Only

Battery Type

Aa

Brand

First Alert

Category

Carbon Monoxide Alarm

Certification

UL Listed

Color

White

Decibel Level

85dB

Height (in.)

1.5

Length (in.)

3.4

Power Source

Battery Operated

Sensor Type

Electrochemical

Voltage

3

Warranty

7 Yr. Limited

Width (In.)

5

Call to order - 800.427.1704
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First Alert

First Alert Battery Operated 3V Electrochemical Digital Display Carbon Monoxide Alarm

Category Carbon Monoxide Alarm
 
C
 
C
520840 520840
520840 520840
First Alert

First Alert Battery Operated 3V Electrochemical Digital Display Carbon Monoxide Alarm

Item Code: 520840
Category Carbon Monoxide Alarm
  • Electrochemical sensor
  • Easy-to-read backlit digital display allows a quick view current and peak CO levels
  • Powered by two replaceable AA batteries, offering peace of mind even during power outages
  • EZ access battery door allows you to change out batteries without having to dismount the alarm
  • 85-decibel horn sounds if carbon monoxide levels are too high, and a test/silence button silences the alarm and allows you to test its functionality
  • No installation or outlet is required, and an optional wall mount is included
Call to order - 800.427.1704
Add to favorites
Compare
Battery-operated carbon monoxide alarm with backlit digital display. Uses an electrochemical carbon monoxide sensor, the most accurate CO detection technology available, to detect the CO you can't see, smell, or taste in the air. An easy-to-read backlit digital display allows a quick view current and peak CO levels. Powered by two replaceable AA batteries, offering peace of mind even during power outages. Battery life varies according to use and application. An EZ access battery door allows you to change out batteries without having to dismount the alarm. An 85-decibel horn sounds if carbon monoxide levels are too high, and a test/silence button silences the alarm and allows you to test its functionality. No installation or outlet is required, and an optional wall mount is included.
Weight

1.99lb

Height

8.4in

Width

9in

Length

8.45in

Batteries Included

Yes

Battery Back-up

Battery Only

Battery Type

Aa

Brand

First Alert

Category

Carbon Monoxide Alarm

Certification

UL Listed

Color

White

Decibel Level

85dB

Height (in.)

1.5

Length (in.)

3.4

Power Source

Battery Operated

Sensor Type

Electrochemical

Voltage

3

Warranty

7 Yr. Limited

Width (In.)

5

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