The First Alert Battery-Operated Smoke Alarm warns you when smoke is detected, even in a power outage. It uses Precision Detection technology to limit unnecessary alarms and detect smoke from synthetic materials. Provides early warnings for smoke to...
The First Alert Battery-Operated Smoke Alarm warns you when smoke is detected, even in a power outage. It uses Precision Detection technology to limit unnecessary alarms and detect smoke from synthetic materials. Provides early warnings for smoke to...