First Alert 10-Year Sealed Battery Photoelectric/Electrochemical Slim Round Carbon Monoxide and Smoke Alarm
SKU: 10921856
- 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