Ensure your home safety with this Kidde 10-year combination smoke and carbon monoxide alarm, model 21026065. It features dual sensing technologies, including a photoelectric smoke sensor and an electrochemical carbon monoxide sensor, which work together to detect hazards faster while minimizing false alarms from cooking. The unit is equipped with a voice warning system that explicitly announces Fire or Warning Carbon Monoxide to clearly communicate the specific threat. Powered by a sealed-in lithium battery, it provides worry-free, continuous protection without requiring a battery change for its entire 10-year lifespan. This smart home safety device automatically activates when attached to its mounting bracket, includes a Smart Hush button to silence nuisance alerts, and warns you with an end-of-life chirp when it is time for a replacement