First Alert BRK RM4 Smart Relay for First Alert 698231010921 Chairs feature a ladder style

Chairs feature a ladder style backrest support

600 inch-2

Candle burns up to 25 hours

New Challenges: Connect with your friends through a variety of challenges that will test your skill and speed

First Alert BRK RM4 Smart Relay for First Alert 698231010921 Chairs feature a ladder styleActivates auxiliary devices when alarm device sounds Works with compatible BRK and First Alert smoke, heat, and carbon monoxide detectors 120V AC powered Enhances the effectiveness of your detector alarm Great for adding a strobe light, siren, bell, door closer, or similar device Connect your compatible BRK or First Alert alarm to an auxiliary device with the BRK RM4 Smart Relay for First Alert. Using this interconnected smoke detector relay, your BRK