This smart relay connector provides interconnection of devices under BRK and First Alert brand smoke and carbon monoxide alarms. The relay features photoelectric sensor responds best to slow-smoldering fires and responds less frequently to non-threatening steam. When connected to BRK or First Alert alarms, this relay is designed to activate an auxiliary device like a bell, siren, strobe light, exhaust fan, door closer, etc. when alarm is sounded.
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