At firealarm.com, we’re happy to assist you with your query. The Edwards EST IO64R-2 panel is compatible with a wide range of Edwards devices, including smoke detectors, heat detectors, pull stations, strobes, and speakers. However, it’s crucial to ensure that the devices you intend to integrate are compatible with the specific model and firmware version of the IO64R-2 panel. For detailed compatibility information, refer to the system guide provided by Edwards or consult our technical support team for further assistance.