Take your Humminbird Helix SI unit and network it to another Helix to get the best fish-finding capability they can produce. The Humminbird Dual-Helix Starter Kits shoot-through-hull transducer produces accurate readings as youre cruising across the lake.Not compatible with Solix or ONIX sonar units. Kit includes an shoot-through-hull transducer, 20-ft. Ethernet cable, Ethernet adapter cables and Side Imaging splitter cable. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Starter Kit.
