The Kidde Nighthawk Plug-In Carbon Monoxide Alarm + Battery Backup KN-COPP-3 is a reliable and essential home security device designed to detect carbon monoxide leaks. With both battery and hardwired power sources, this alarm ensures uninterrupted protection for your family. The sleek white design and compact size make it easy to install in any room, while the battery backup feature provides peace of mind during power outages. Trust in the Kidde brand to deliver quality and performance in safeguarding your home against potentially dangerous carbon monoxide levels.