About this item

• Dual sensor contains both a photoelectric and ionization sensor providing dual sensor protection in your home
• Hush feature temporarily silences nuisance alarms
• Interconnectable, 120V hardwire alarm with battery backup that provides protection even during a power outage
• Red LED flashes every 30-40 seconds to indicate that the smoke alarm is operating properly
• Test/Reset button tests units electronic circuitry and horn.Audio alarm:85dB at 10ft