MTI Industries 25 Series 12-Volt Safe-T-Alert Mini RV Dual Carbon Monoxide/Propane Alarm in Black

Double-Duty Alarm. Detects both gas leaks and CO gas simultaneously. Upgrades single 12-Volt Propane Gas alarms to a dual alarm that detects both Propane Gas and CO. Space Saving. Compact design for RV's. Reliable. 12-Volt power means no missing or dead batteries to replace. Durable. Built for the extreme RV environment. Approved. Meets RVIA/NFPA requirements.