9120LBLA Hardwired Ionization Smoke Alarm with 10 YR Battery Backup

Ionization Sensor Reliably Detects Flaming Fires

The First Alert Hardwired Smoke Alarm with 10-Year Battery Backup comes equipped with an ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials.

Hassel-Free Easy Installation

To facilitate hassle-free installation, this fire and smoke alarm features a streamlined mounting system with a gasket-less base. The mounting bracket keeps the alarm secure over a wide rotation range while maintaining perfect alignment.

Battery Backup for Detection During a Power Outages

This smoke alarm is designed for hardwired installation, but it also features a 10-year battery backup that helps ensure continued functionality in the event of a power outage. The smoke and fire detector comes with a 9-volt lithium battery and features locked battery compartment.

Works in Tandem with Other First Alert Alarms

In addition to functioning independently, this smoke alarm can also integrate with up to 12 other First Alert or BRK hardwired alarms for coverage of larger spaces. This detector also integrates with up to six other compatible devices, such as bells, horns, and repeaters. If one alarm in the series is triggered, they will all sound. The alarm features a latching indicator to identify which unit triggered the alarm, alerting you to the area of danger.