Compact size with accessible internal lighting design for convenient integration in tight spaces. LED tricolor indicator provides immediate, ataglance status information. Automatically hops across 126 frequency channels to maintain reliable wireless performance in varying environments. Seven identification code groups are defined to support flexible deployment and device grouping. Use scenarios In small control panels or compact enclosures where space is limited, the compact form factor fits neatly and allows access to internal lighting for maintenance. In factory floor wireless control or remote sensing setups, automatic frequency hopping across 126 channels helps reduce interference and improve connection stability. In multidevice installations, such as access control or sensor networks, the seven predefined identification code groups enable easy organization and pairing of devices.