30 Series 12V RV Propane Alarm – BlackMeets requirements set by RVIA for LP Gas Alarms on RVs. Test\/Reset Button – Mute alarm during ventilation. Tests all detector functions with 1 touch. No dangerous gas is required. The alarm is fully operational during the mute cycle and will re-alarm if hazardous conditions recur. Built for the extreme RV environment. UL listed for RVs and Unconditioned Areas.Specifications:Size: 6-3\/8 in. W x 2-7\/8 in. H x 1 in. D1-year limited warrantyFlush mount12-VoltColor: Black