Kidde 10 Year Worry-Free Sealed Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm (2-Pack)

This Kidde P3010CU 10-Year Worry Free combination smoke and carbon monoxide detector is easy to install and alerts your family when a fire or elevated carbon monoxide levels are detected in your home. Smoke and CO sensing technologies work together to detect real fires faster and reduce cooking-related nuisance alarms. Alarm includes voice warning that clearly states the hazard detected, making this alarm ideal for bedrooms. Combination alarms should be placed outside each sleeping area and on every level of the home. This alarm is powered by a 10-Year sealed-in, non-replaceable lithium ion battery. No hardwire installation required and no need to change the batteries over the 10-year life of the alarm. Simply replace the entire unit after 10 years.