BRK has been the top choice of contractors in the commercial market for over 50-years. Marketed to builders, electrical contractors serving single family, multifamily, hotel/motel, RV and manufactured homes channels. The contractor-friendly product and packaging design sets the professional standard. Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until it's too late. Symptoms of carbon monoxide poisoning are like the flu and you might not even know you're in danger. The CO5120BN hardwire alarm detects the CO you can't see, smell or taste in the air. This alarm comes with 9-Volt battery backup, incase of a power outage. It also features a Test/Silence button to check if the alarm is functioning properly as well as silence unwanted or nuisance alarms. This First Alert CO5120BN Carbon Monoxide Alarm is an essential product in protecting your home and family.

• LCD digital display with memory
• 9-Volt alkaline battery backup
• Latching alarm indicator - remembers which unit initiated an alarm
• 2-silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm

First Alert is the category leader in fire safety and delivers reliable life safety products that help our consumers protect what matters most through innovation and performance. Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until it's too late. Symptoms of carbon monoxide poisoning are like the flu and you might not even know you're in danger. The CO250B alarm detects the CO you can't see, smell or taste in the air. It also features a Test/Silence button to check if the alarm is functioning properly as well as silence unwanted or nuisance alarms. This First Alert CO250B Carbon Monoxide Alarm is an essential product in protecting your home and family.

• End of life signal provides audible notification alarms needs to be replaced
• Electrochemical CO sensor
• Tamper resistant locking pin
• Silence feature

BRK CO605B is a direct plug-in, 120-Volt AC single station carbon monoxide alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings. CO605B features an electrochemical CO sensor, end of life signal and 2 silence features. The low power warning indicator will cause the alarm to chirp when the battery needs to be replaced. This detector can be plugged directly into a standard wall outlet.

• 120-Volt AC plug-in with battery backup
• Battery operated backup ensures alarm works even during power outages
• Single button tests alarm functions and silences nuisance alarms
• Back access battery compartment
• Low battery warning
• Uses an electrochemical sensor, the most accurate technology to detect carbon monoxide
• End of alarm life timer
• 9-Volt battery included
• Loud 85 dB alarm
• 7-year limited warranty
• Meets UL2034 standard
• America's most trusted brand in home safety

First Alert is the category leader in fire safety and delivers reliable life safety products that help our consumers protect what matters most through innovation and performance. Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until it's too late. Symptoms of carbon monoxide poisoning are like the flu and you might not even know you're in danger. The CO400B alarm detects the CO you can't see, smell or taste in the air. It also features a Test/Silence button to check if the alarm is functioning properly as well as silence unwanted or nuisance alarms. This First Alert CO400B Carbon Monoxide Alarm is an essential product in protecting your home and family.

• Electrochemical carbon monoxide sensor - the most accurate sensor available as compared to other sensing technologies
• End of life signal provides audible notification alarms needs to be replaced
• Single button test/silence
• 2-silence features - can silence the low-battery chirp for up to 8-hours or temporarily silence an unwanted nuisance alarm
• Includes an optional wall mount
• 5-year limited warranty