Hard wired smoke alarms are wired into your home s electrical system.
Electric smoke detector with battery backup.
Designed to help promote household safety the first alert hardwired smoke alarm with battery backup can provide early warning of fire.
First alert 2 pack battery operated 9 volt smart smoke detector.
These alarms are equipped with two pre stripped wires for easy installation and have a 9 volt battery backup to ensure continued use during a power failure.
The reason those batteries are there are as a backup.
First alert ac hardwired 120 volt smoke detector.
Find smoke detectors at lowe s today.
Even though your smoke detector is hard wired to the homes electrical system the smoke alarms still contain a 9 volt backup battery.
This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot fast flaming fires.
Homes without smoke detectors or with detectors that have faulty or dead batteries are one of the main reasons people get trapped in fires.
The kidde firex hardwire smoke alarms 4 pack alert the kidde firex hardwire smoke alarms 4 pack alert you to potential fire dangers by detecting the presence of smoke and heat in the atmosphere.
Many prefer to play it safe with a hard wired system that also comes with a battery backup available for less than 20 per unit.
Ionization sensor reliably detects flaming fires.