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79 comments
  • Was this one of the ones advertised for 10 year battery life? Could you maybe share the model number? I've seen 10yr life span, no battery replacements needed before, never really trusted it though. For safety devices I prefer hardwired with battery backup...ya know cause life's are on the line if it's needed.

    • P1210. Do not recommend. They will not last 5 years. If I can help it I’ll never buy First Alert again.

  • Smoke detectors work using sensors that require special materials that only work for about 10 years before they begin to seriously loose functionality. You don’t want to replace the battery on a ten year old smoke detector, it should be replaced.

79 comments