MTI Industries 12V 35 Series Safe-T-Alert RV Dual Carbon Monoxide/Propane Alarm

Double-duty alarm detects both gas leaks and CO gas simultaneously Reliable 12V power means no missing or dead batteries to replace Surface Mount Meets RVIA/NFPA requirements and is listed to UL 1484 RV and UL 2034 RV Dimensions: 6-3/8" W x 3-1/2" H x 1-77/200"