Highlights:

• Color : White
• Volts : 120 volt
• Power Type : Hard-Wired w/Battery Back-up
• Sensor Type : Ionization/Photoelectric
• Battery Size : AA
• Sound Level : 85 dB
• Batteries Included
• Photoelectric and ionization sensors for comprehensive smoke and fire detection
• Hardwired alarm includes battery backup for power outages
• Single button to test detector monthly or silence during a false alarm
• Latching features indicate low battery or originating alarm in a system
• Patented Optipath 360 technology provides 360 degrees of access
• Test and or Reset Button
• The BRK model no. 3120B is a wire-in, 120 V AC 60 Hz single and/or multiple station photoelectric and ionization dual sensor smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard nape 101
• UL Listed
• ETL Listed
• Boxed
• WHAT'S INCLUDED : Mounting bracket with hardware, User Manual, 2 AA Batteries