BRK Relay Wire-In,120V AC,Hardwired

Relay Wire-In; Includes (1) Set of Form C Contacts; Power Source Hardwired; Product Type Smart Relay; For Use With BRK and First Alert Smoke; Heat and Carbon Monoxide Alarms; Manufacturer Warranty Length 10 yr Limited; Maximum Operating Temperature 100 Degrees F; Minimum Operating Temperature 40 Degrees F; Operating Voltage 120V AC; Overall Height 1 in; Overall Length 3.5 in; Overall Width 1.5 in; Standards UL 2034; UL 217; UL 539