First Alert BRK Battery-operated Ionization Smoke Detector Item #40485 | Model #93560-015 Use building code approved fasteners

Use building code approved fasteners and hardware

extended runtime

Screw-thread battery cap

which automatically turns off the water supply when a leak in your water heater is detected (accessory included)

First Alert BRK Battery-operated Ionization Smoke Detector Item #40485 | Model #93560-015 Use building code approved fasteners9V Carbon Zinc Battery Ionization Smoke Alarm Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. Battery operated alarm is easy to install and maintain Front door battery compartment makes for easy battery replacements End of life warning lets you know when its time to replace the alarm Test Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours