... alarms, CO alarms, Heat alarm or both. Relay Module1. It can be wired to respond to ... both.2. Enables AC or DC powered security devices to interact with AC powered smoke alarms3. Turns ... lights and other devices ON or OFF when alarm is activated and ... : Lights, Sirens, Exit signals, Exhaust fans, Other auxiliary devices Specifications: Power Source: VST-R598-0: 100 ~ 240V ...