Kidde CO120X Relay Module for I-Combo Units, CO Alarms

Relay module designed to activate auxiliary warning devices such as external bells, sirens, hallway lighting, or stairway illumination. Activates only when receiving a CO signal from an interconnected carbon monoxide alarm. Automatically deactivates if a smoke interconnect signal is received from a compatible device while in active mode. Compact design measuring 3/4" x 3" x 1-3/4" and weighing 0.15 lbs. Ideal for expanding alarm system capabilities and enhancing emergency response coordination in residential or commercial settings.