The Kidde Carbon Monoxide Detector is a must-have for every household. This AA battery-powered CO alarm features electrochemical sensor technology that accurately detects carbon monoxide gas. Its easy installation requires no wiring, making it perfect for quick setup in homes and offices. The device works flawlessly during power outages, thanks to its two included AA batteries. With a green LED that indicates operational power, you can be assured of its functionality. In case of danger, an 85-decibel alarm and a flashing red LED will alert you to the perilous presence of CO. Additionally, peak level memory remembers the last CO incident, enhancing your safety awareness. Stay protected with this essential portable alarm!