MTI Industries has your safety in mind with a range of smoke and gas detectors. Protect your home or boat with essential safety equipment that will help prevent disaster in your future. Make sure to replace your CO carbon Monoxide Alarms and Gas Detectors that are over 5-years old. This 25 Series Mini LP/CO Alarm with Surface Mount is designed for the rugged RV environment. It's ideal for Class A motor homes 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 CO remain. Twelve volt power means no missing or dead batteries to replace and the circuitry system is designed to conserve battery power. Includes maintenance-free built-in self-cleaning sensor with a loud 85 DB alarm that alerts you to the presence of hazardous propane vapors. Available in white or black.