First Alert Long Life Optical Smoke Alarm

  • Optical sensing technology
  • Optical alarm reduces nuisance alarms
  • Powered by sealed for life 10 year battery
  • Powered by replaceable 9V battery
  • 10 year guarantee

Description

  • Optical sensing technology
  • Optical alarm reduces nuisance alarms
  • Powered by sealed for life 10 year battery
  • Powered by replaceable 9V battery
  • 10 year guarantee