First Alert 10-Year Sealed Battery Photoelectric/Electrochemical Slim Round Carbon Monoxide and Smoke Alarm

First Alert

SKU: 10921856
  • $52.99
    Unit price per 



  • Photoelectric & electrochemical sensor
  • Slim design, half as thick as a standard alarm
  • Includes a built-in 10-year lithium-ion battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm
  • 10-year limited warranty