![BRK RM4 First Alert Smoke & CO Detector Relay Module](http://oudella.com/cdn/shop/files/brk_0644eb84-920a-4930-baf5-01b70365f456_{width}x{height}.png?v=1717858677)
Hardwired 120V module connects to First Alert and BRK hardwired smoke detectors and triggers the relay when the interconnect signal is sensed. Must be installed in a junction box and subject to local codes.
Interconnects smoke alarms, carbon monoxide alarms and heat alarms with:
- Lights
- Bells
- Door Closers
- Sirens
- Exit Signals
- Escape Lights
- Exhaust Fans
- Other Auxiliary Devices