🔒 Breathe Easy: Your Home's Silent Guardian! Peak Level Memory tracks past CO levels for your safety. Test-Hush Button simplifies testing and silencing false alarms. 85-decibel alarm alerts you to danger in real-time. Extension cord included for flexible positioning anywhere. Easy plug-in installation for instant peace of mind. Digital LED Display 9V Battery Backup Plug-in Power The Kidde Carbon Monoxide Detector is a reliable plug-in alarm that detects carbon monoxide, propane, natural gas, and explosive gases. With a 9-volt battery backup, digital LED display, and an 85-decibel alarm, it ensures your home remains safe even during power outages. Its Peak Level Memory feature records past CO levels, while the Test-Hush Button allows for easy testing and false alarm management. Designed for convenience, it comes with an extension cord for versatile placement and has a lifespan of 7 years.