Safe-T-Alert SA-340 Black RV Battery Powered CO Detector - Rectangle

SA-340 Black RV Battery Powered CO Detector - RectangleFeatures: Sealed-In Lithium Battery - No Replacement Needed!  5-Year Battery Replaces Battery Powered RV Listed CO Alarms Long 5 Year Battery Life  Easy Installation Low Battery Indication Built-In Test/Hush Functions Approved. Meets RVIA/NFPA requirements End of Life Signal. Provides audible confirmation when alarm needs to be replaced, with 30 day override (see owner’s manual). Replacement date is 60 months (5 years) after pulling battery tab  Conforms To ANSI / UL STD 2034