Kidde 10 Year Worry Free Smoke Alarms protect your family for 10 years with a "sealed in" Lithium Ion Battery back up. 10 year Worry Free smoke alarms protect against tampering with a sealed in battery. 10 Year alarms provide an "End of Life" indicator at end of the product life alerting you to replace your smoke alarm.
- 10 year sealed-in lithium battery back up
- Tamper-resistant; cannot be disabled
- 10 year limited warranty
- 120-Volt hardwired
- Inter connectable
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