First Alert 0827B


10-Year Sealed Battery Ionization Smoke Alarm

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  • Factory New
Brand: First Alert Part #: 16963 Category: Manufacturer Part #: 0827B


The First Alert 0827B Sealed Ionization Smoke Alarm features a 10-year sealed lithium battery, eliminating the need for battery replacements during the lifetime of the alarm. A tamperproof design prevents batteries from being removed. Featuring an ionization sensor for reliable smoke detection, this model meets code for all sealed/tamperproof alarms. The smoke alarm includes a mute feature that lets users to silence the alarm, as well as a power LED and alarm indicator, end of life signal, and single test button for simple operation. A Perfect Mount system allows you to easily align and mount the smoke detector on the wall.


Weight 0.50 lbs

First Alert

Production Status





  • Smoke detector with built-in 10-year 3-volt lithium power cell
  • Ionization sensor for efficient smoke detection
  • Tamperproof design prevents batteries from being removed
  • Mute/silence button
  • Includes smoke alarm status LED indicator, end-of-life signal, and test/silence button
  • End of life signal
  • Complies with current 10-year legislation in states/cities where required


First Alert – Data Sheet