Kidde 10-Year Worry Free Sealed Battery Smoke and Carbon Monoxide Combination Detector (3-Pack) 668927

Seal your home with the safety of the Kidde 10-Year combination smoke and carbon monoxide detectors. These alarms are powered by a 10-Year sealed-in, non-replaceable lithium ion battery and no hardwire installation is required or the need to change batteries over the 10-year life of the alarm. The technology of the smoke and CO sensing work together to detect fires faster and reduce cooking-related nuisance alarms. Place them outside each sleeping area and on every level of your home. Long-lasting for 10 years you simple replace the entire unit when the time runs out.