The First Alert SA303CN4 Battery Operated Smoke Alarm will protect you and your family from smoke and fire. Powered by a 9-volt battery (included), it uses a loud 85-decibel alarm to alert you when smoke or fire have been detected. The silence button cancels unnecessary alarms caused by cooking or shower steam, and allows you to test the alarm function. 10-year limited warranty.
- Package Quantity: 1
- Includes: Battery
- Requires Hardwired Installation : Yes
- Battery: Required, included: 1 lithium 9 volt