About this item

• Ionization sensor technology alerts to invisible fire particles to provide detection of dangerous smoke or fire
• Operating on a 120-volt power source with a 9-volt alkaline battery, providing reliable detection of smoke or fire, even during power outages
• Illumination of a safety light helps guide your way to safety when dense smoke is present
• An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
• Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
• UL Listed with a 10-year limited warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.