The RV Safe Propane Gas Detector quickly and accurately alerts you to potentially dangerous levels of gas in your RV. This 2-wire detector can replace almost any RV detector thanks to the included universal mounting brackets. Experience fewer false alarms with the latest in gas sensing technology.• Universal mounting brackets allow retrofit of 90% of all surface and flush-mount detectors• Highly selective sensor means fewer false alarms from non-threatening gases• Test/silence button for easy testing• Compact design for low-profile, modern look• High-quality durable construction• Exceeds UL 1484 and CSA requirements for LP alarms in RVs• Meets RVIA standards• Dimensions: 2.1"H x 4.2"W x .63"D Highly selective sensor means fewer false alarms from non-threatening gases Test/silence button for easy testing Compact design for low-profile, modern look | RV Safe Propane Gas Alarm, 2-Wire, Black