Breathe Easy, Live Safely! 🏡 User-friendly design for quick setup Ensures reliable performance Quality assurance from System Sensor Advanced Carbon Monoxide Detection Compatible with 12/24 VDC systems 12/24 VDC Power RealTest Technology Safety Assurance The System Sensor Carbon Monoxide Detector CO1224TR is a reliable safety device designed to detect harmful CO levels in your environment. Manufactured in Mexico, it features dual voltage compatibility (12/24 VDC) and innovative RealTest technology, ensuring optimal performance and peace of mind for you and your loved ones.