Flush Mount LP Gas Detector - This LP detector meets all requirements set by RVIA for LP Gas Alarms on RVs. The test / reset button mutes the alarm during ventilation and tests all detector functions, light and sound, with one touch. The alarm is fully operational during mute cycle and will sound alarm again if hazardous conditions re-occur. This model is intended to be hardwired into the RV's 12Volt system. Built and tested for the extreme RV environment, it is UL listed for recreational vehicles and unconditioned areas. Case Dimensions: 6-3/8 inch W x 2-7/8 inch H x 1inch D. Flush Mount. 1 Year Limited Warranty. 1 per package.