Smoke Detector 10 Year Battery, photoelectric Smoke Alarm | ETL listed to UL 217 10th Ed. & CAN/ULC S531 5th Ed., 10-Year Sealed Battery, EOL alert, photoelectric, 85dB

10-Year Sealed Battery with EOL AlertThe integrated sealed lithium battery provides continuous power for the alarm for 10 years, removing the need for battery changes. When the device reaches its end of life, a distinct audible EOL signal informs you it is time to replace the detector, maintaining ongoing safety. UL 217 10th Edition CertifiedCertified to the most recent smoke alarm safety standard UL 217 10th Edition. This version incorporates improved cooking nuisance immunity tests and more stringent requirements for modern synthetic-fueled fires, offering enhanced detection performance for contemporary homes. Photoelectric Smoke DetectionThe dual-LED optical chamber identifies slow-smoldering fires while minimizing false alerts from cooking.

Smoke sensitivity: 1.652. 29%/ft obscuration (per ETL test data). An 85dB alarm with an LED indicator delivers a clear signal when smoke is sensed. ETL Listed US & Canada CertifiedIndependently tested and certified to US standard (UL 217 Ed. 10) and Canadian standard (CAN/ULC S531 Ed. 5). Includes a 94V-0 flame-retardant housing. Satisfies the strict requirements of both countries' safety standards for residential smoke alarms. Easy Install & Residential UseContains a quick twist-and-click mounting bracket wiring is not required. Features a Test/Silence button for weekly checks and quieting nuisance alarms. Suitable for bedrooms, living rooms, hallways, and other residential indoor spaces where smoke detection is needed