[For Humminbird Helix Fish Finders]:Compatible with Humminbird Fish Finders:All HELIX 15, HELIX 12, HELIX 10, HELIX 9 and HELIX 8 models, HELIX 7 G2N, G3N, G4N models, 859 models, 899 models, 959 models, 999 models, 1159 models, and 1199 models. [Easily Link Your Devices]:720074-1 AS EC QDE Ethernet Adapter Cable facilitate essential data sharing and control capabilities between devices.If you are networking two fish finders from the above list together, it will require two (2) AS EC QDE cables plus one (1) Ethernet cable of the appropriate length for your boat’s needs. [High-Quality]:The cable is made of high quality material with excellent water and corrosion resistance, extending its service life.The internal conductor is made of high-purity oxygen-free copper, ensuring efficient and reliable data transfer.The connection is made of high-quality metal, corrosion-resistant, and prevents water from entering the interior of the cable. [Specification]:Cable length:1.6ft;Color:black;Model number:720074-1 [Service Support]:Please feel free to contact with us for any questions about the AS EC QDE Ethernet Adapter Cable, we will do our best to serve.