Check the listing for details. RV Safe RVCOLP-2B Combination RV Carbon Monoxide / Propane Leak Detector Alarm. Condition: New. Listed at 46.99 USD. RVCOLP-2B Combo CO/LP Alarm - 2 Wire - Black RVCOLP-2B RV SafeGas Detecting Alarm EXPIRATION: MAY 2029 Designed and tested with the rugged RV environment in mind, the RV Safe is ideal for installation and use in all 12V RVs and trailers. ETL tested and listed Description The RVCOLP-2B RV Safe alarm is unsurpassed in its use of the latest technology to quickly and accurately alert occupants of the presence of deadly Carbon Monoxide and Propane Gas. Alerts users to hazardous levels of Carbon Dioxide and Propane gas. Meets or exceeds all UL2034 requirements for Carbon Monoxide alarms in Recreational Vehicles. Meets or exceeds all UL484 requirements for propane gas alarms in Recreational Vehicles. Uses the latest in advanced electrochemical CO sensors to detect carbon monoxide. Fewer false alarms from non-threatening chemicals and gases due to our highly selective carbon monoxide sensor. Alarm activates with a four beep pattern with a flashing red LED for CO gas, or a continuous beeping with a solid red LED for Propane gas. If both gases are present, the alarm will indicate Propane as it requires more immediate action. Increased RV battery life when compared to competitors’ alarms due to our low power propane gas detection ability. Test / Silence button allows for easy testing of the alarm and quickly silence nuisance alarms. Sleek and modern low profile design. Technical Specifications Length 4.21″ (10.7cm) Height 0.57″ (1.4cm) Hole Spacing 3.625″ (9.2cm) Weight 1.3 oz (37g) Operating Temperature -40°F to 150°F Sound Pressure 85 db Voltage Requirements 8vdc – 15vdc Current Draw 17mA at 13.5vdc CO Sensitivity 60-120 minutes at 70ppm 10-30 minutes at 150ppm 4-15 minutes at 400ppm LP Sensitivity 4200 ppm (