Feature 1FAST AND ACCURATE: Adopting excellent semiconductor sensor, this propane gas detector can quickly and accurately detect gas leakage. 2REAL TIME DISPLAY: The RV propane gas alarm can display concentration levels in real time digitally and provide the earliest warning through 85dB alarm. 3WIDE WORKING VOLTAGE: The propane detector is with a DC 12V 20% wide working voltage and complies with UL1484 safety standards. 4RESET FUNCTION: You can activate the reset or mute circuit to temporarily mute the detector while ventilated. 5WIDE APPLICATIONS: This natural gas detector can be used to detect propane gas leakage in RV, truck and other similar applications.Item Type: Propane Gas DetectorMaterial: ABSPower Supply: 12VDCWorking Voltage: 8-16 VDCWorking Temperature: -31 to 150 (-35 to 66)Relative Humidity: 15% to 93% .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Propane Gas Detector2 x Screw2 x Anchor3 x Nut1 x Adhesive Tape1 x User Manual