The Safe-T-Alert 20 Series Black Mini Propane/LP Gas Detector is compact and ideal for Class A motorhomes, Class B van campers, Class C mini-motor homes, travel trailers, fifth wheels, truck, and folding campers.• Alarm mute button silences alarm while RV is ventilated• Rapid recovery sensor resets when silenced or reactivates alarm if dangerous levels of propane remain• 12-volt power means no missing or dead batteries to replace• Easy installation includes mounting bracket• Meets RVIA/NFPA requirements• Conforms to UL STD 1484 RVSpecificationsConforms to UL STD 1484 RV Residential and RV Gas AlarmsCurrent Draw: 75 mA @ 12 VDCAlarm Point: | MTI Industries Safe T Alert 20 Series Mini Propane / LP Gas Detector, Surface Mount, Black