10 Year Sealed, Battery Operated, 2-In-1 Smoke And Fire Detector, Multi-Criteria Detection

Microprocessor Virtually Eliminates Nuisance Alarms Caused by Everyday Cooking Smoke, Steam, etc. Detection of Polyurethane Foam in both Slow Smoldering and Fast Flaming Fire. Immunity to High-Voltage Current Surges. No Batteries to Change. Maintenance-Free Battery Power Provides 10-Years of Safety Protection. Conforms to New UL Standard 217 8th Edition Requirements.Artificial Intelligence Used To Classify Smoke & Fire ProfilesDetects Both Fast-Flaming And Slow-Smoldering FiresConforms to UL Standard 217 8th EditionLithium-Free 10 Year Permanent Power is Safer and More Eco-FriendlyTamper Resistant Design Provides A Higher Level Of SecurityQuick Find Alarm Origination Feature Easily Identifies Originating Alarm to Sound10 Year Product End of Service Life Warning - Sounds When It Is Time To Replace Detector. Silence/test buttonLED power status indicator