Fire-Lite by Honeywell CRF-300 Relay Module

The Fire Lite CRF-300 is an addressable relay module that provides a dry contact output for use with two-wire addressable alarm systems. Using patented LiteSpeed communication protocol, the CRF-300 can boost communication speeds between analog intelligent devices up to five times more effectively than other modules. The device comes equipped with two LED lights that flash green or red to indicate system status, two rotary switches for direct-dial setting adjustment, and automatic type identification. The module can be programmed to operate a variety of dry-contact operations, including door holders, fans, and control equipment.