FIRST ALERT RM4 120VAC Smart Relay

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.FEATURES:- Works with BRK Smoke and Heat Alarms and Smart interconnect BRK CO alarms- 120-volt AC-powered.- Form-C contacts that switch between normally open and closed contacts- Maximum contact rating:120-volt AC and 30-volt DC; Resistive-15 amps; Motor-1/3 horsepower- 10-Year Limited Warranty