2-Pack BRK CO5120BN Carbon Monoxide Detector

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Hardwired carbon monoxide alarm with 9V battery back-up meets codes where CO alarms are required for new construction.

Electrochemical Carbon Monoxide Sensor - the most accurate sensor available as compared to other sensing technologies

Single button test/silence

9V Alkaline Battery Backup

Latching arm indicator - remembers which unit initiated an alarm

Two Silence Features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm

Intelligent Sensing TechnologyTM helps reduce the number of nuisance alarms

Dust cover

End of life signal provides audible notification when alarm needs to be replaced

7-Years Limited Warranty

Item Specs:

Alarm Dimensions: 5.4" dia x 1.9"H

Weight: 6.4 oz

Operating Voltage: 120V AC 60Hz w/ 9V battery backup

Operating Current: .09 amps (standby/alarm)

Temperature Range: 40°F (4°C) to 100°F (38°C)

Humidity Range: 10% to 95% relative humidity (RH)

Audio Alarm: 85dB at 10 feet

Test/Silence: Electronically simulates carbon monoxide condition, causing the unit to alarm

Press and hold test/silence button

Alarm Reset: Automatic when CO clears

Interconnections: Up to 18 units of First Alert or BRK Smoke, CO and Heat Alarms. Maximum of 12 smoke alarms. See user's manual for details.

CO Sensor: Electrochemical

Superior carbon monoxide sensor with battery backup
Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
Microprocessor controlled for fewer nuisance alarms
Simple to use silence/test button; convenient alarm latch indicator
9-volt battery included; 7-year limited warranty