• The high-quality photoelectric smoke sensor is more sensitive at detecting smoke from smoldering fires and sounds quickly to alert you of any fire hazard
• With the 10-year sealed battery smoke alarm, you won’t have to worry about changing the battery and your home and family are always protected, even during power outages
• The fire alarm’s coverage range is 215–430 ft² (20–40 m²), detecting fires from all sides; at over 85 dB, the 10-year battery smoke detector sounds loudly when triggered, even awakening sound sleepers
• The smoke detector has an automatic self-test function; it tests the battery and photoelectric sensor every 60 seconds to ensure fast and accurate alerts
• The test/silence button allows you to easily test your alarm, letting you know that you and your family are always protected; you can also silence false alarms caused by cooking fumes, dust, or insects with the simple push of a button.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item.

Warranty: 90 Day Woot Limited Warranty