The KIDDE Model KN-COPE-D is a dual-function DC photoelectric smoke and carbon monoxide alarm featuring voice warning technology. This advanced unit provides reliable detection of smoke and CO, ensuring the safety of your home or business. Its photoelectric sensor is particularly effective at detecting smoldering fires, while the voice alerts provide clear notifications to occupants. Designed for easy installation, this alarm meets stringent safety standards and is ideal for residential use. With its dual detection capabilities, the KN-COPE-D offers comprehensive protection against fire and carbon monoxide hazards.