The Kidde Carbon Monoxide Detector is an essential safety device for any home. With its easy plug-in installation into a standard 120V outlet and 9-volt battery backup, it ensures you are always protected, even during power outages. The digital LED display provides real-time readings of carbon monoxide levels, while the loud 85-decibel alarm alerts you immediately if CO is detected. Additionally, the Peak Level Memory feature records the last instance of carbon monoxide detection, helping you stay informed about your environment. This detector is not just a safety device; it's a vital addition to your home's security measures.