Feature:1. FAST AND ACCURATE: Adopting excellent semiconductor sensor, this propane gas detector can quickly and accurately detect gas leakage.2. REAL TIME DISPLAY: The RV propane gas alarm can display concentration levels in real time digitally and provide the earliest warning through 85dB alarm.3. WIDE WORKING VOLTAGE: The propane detector is with a DC 12V 20% wide working voltage and complies with UL1484 safety standards.4. RESET FUNCTION: You can activate the reset or mute circuit to temporarily mute the detector while ventilated.5. WIDE APPLICATIONS: This natural gas detector can be used to detect propane gas leakage in RV, truck and other similar applications.Specification:Item Type: Propane Gas DetectorMaterial: ABSPower Supply: 12VDCWorking Voltage: 8-16 VDCWorking Temperature: -31 to 150 (-35 to 66)Relative Humidity: 15% to 93%.Package List:1 x Propane Gas Detector2 x Screw2 x Anchor3 x Nut1 x Adhesive Tape1 x User Manual