Kidde Photoelectric Talking smoke and carbon monoxide alarm
This AC-wire with battery backup alarm emits a beeping tone followed by a voice warning that clearly announces the danger by saying, “Fire! Fire!”or “Warning! Carbon Monoxide!”
AC-Wire with battery backup – Powered by home’s electricity in order to provide continuous protection. An included 9V battery protects during short-term power outages.
Electrochemical CO sensor – Provides accurate and continual CO protection during the product’s life, remains stable during temperature and humidity changes and resists reactions to household gases that may cause false readings or reduce sensitivity