Humminbird NMEA 2000 Dual Device Starter KitEnhance your Humminbird control head with the NMEA 2000 Dual Device Starter Kit. Perfect for boaters who want to network two Humminbird displays on a single NMEA 2000 backbone, it makes engine, weather, and water data easy to read at a glance. Dual device NMEA 2000 networking: Connect two Humminbird devices on one robust backbone with your Humminbird control head, enabling shared data across displays. All in one starter kit: Provides the essential