First Alert BRK Hardwired Ionization Interconnected Smoke Detector

When these units are hardwired together, they act as a single system. If one alarm detects smoke and sounds, every other alarm in the house will trigger simultaneously, providing an early warning regardless of where the fire starts.

Yes. While these units are hardwired into your home's 120V electrical system, they each include a 9-volt battery backup. This ensures the detectors remain operational even during a power outage.

These units are designed to interconnect with most First Alert and BRK hardwired alarms. However, if you are mixing brands or older models, it is best to check your existing unit's manual to ensure compatibility with the hardwired interconnect signal.

The latching indicator is a helpful diagnostic tool. If an alarm has been triggered while you were away, the indicator light will flash to let you know which specific unit in your home initiated the alarm, helping you identify the source of the incident.

Each unit features a dedicated Test/Silence button. You can press this button to temporarily hush the alarm if it was triggered by non-emergency smoke, such as from cooking.

These smoke detectors include an end-of-life warning feature. When the unit reaches the end of its service life, it will emit an audible signal to alert you that it is time to replace the device for continued safety.