10-Year Sealed, Battery Operated, 3-in-1 Smoke, Fire and Carbon Monoxide Detector, Multi-Criteria Detection

Advanced Intelligence Detects Both Fast Flaming and Slow Smoldering Fires. Artificial Intelligence Techniques Used to Classify Smoke and Fire Profiles. 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 and fire profiles|Detects both fast-flaming and slow-smoldering fires|Conforms to UL standard 217 8th edition|Microprocessor virtually eliminates nuisance alarms caused by everyday cooking smoke, steam, etc.|Lithium-free 10-year permanent power is safer and more eco-friendly|Tamper resistant design provides a higher level of security|Quick find alarm origination feature easily identifies originating alarm to sound|10-year product end of service life warning - sounds when it is time to replace detector|10-year limited warranty|LED power/status indicator|Base diameter: 5-5/8 in.|Base dia: 5-5/8 in.