This Kidde 10-Year Worry Free smoke detector is easy to install and alerts your family when fire or smoke is detected in your home. Smoke 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.
Smoke detectors should be installed in a central location outside each sleeping area, on every level of the home, and in other locations where required by law
10-year lithium ion battery is sealed into the alarm and cannot be removed, preventing unwanted tampering and ensuring your alarm is always on