The RV Safe Carbon Monoxide and 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 2034 / 1484 and CSA requirements• Meets RVIA standards• Dimensions: 2.61"H x 4.21"W x .57"D Highly selective sensor for fewer false alarms from non-threatening gases Test/silence button for easy testing Compact design for low-profile, modern look | RV Safe Carbon Monoxide and Propane Gas 2-Wire Alarm, White