First Alert SA320CN vs First Alert SCO5CN

  • Great for the price
  • Easy to install
  • Dual sensor safety
  • Silence feature works well
  • Product is compatible with hardwired smoke alarms
  • Great for a while, then starts the dreaded random beeping
  • Easy to install
  • Includes batteries, screws and wall anchors, and user manual
  • Dependent on battery manufacturer
  • Good alarm

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