The BRK CO5120BN hardwire carbon monoxide alarm detects dangerous CO gas and allows you peace of mind with its battery backup. Carbon monoxide (CO) is a colorless， odorless， deadly gas. It can be emitted by sources including gas or oil furnaces， gas clothes dryers， water heaters， fireplaces， wood stoves， charcoal grills， gas ranges， and space heaters. A clogged chimney， improper venting， and attached garages can also cause carbon monoxide accumulation. According to the Consumer Product Safety Commission (CPSC)， at least one CO alarm should be installed near a home's sleeping area. This BRK alarm is perfect for bedrooms， as well as hallways， and basements. *

• Brand Name: BRK
• Power Type: Hard-Wired w/Battery Back-up
• Sensor Type: Electrochemical
• Product Type: Carbon Monoxide Detector
• Number in Package: 1 pk
• Test and or Reset Button: Yes
• Packaging Type: Boxed
• CSA Listed: No
• UL Listed: Yes
• Volts: 120 V
• ETL Listed: Yes
• Battery Size: 9-volt
• Batteries Included: Yes
• Warranty: 7 year Limited Parts and Labor