Wide Application – Our 1852088 MKR-MI-1 adapter cable fit for Humminbird HELIX 8, 9, 10, 12 or 15 Fish Finder. Adapter not required for SOLIX models. Powerful Function - Using our adapter cable for crystal-clear MEGA Side Imaging and MEGA Down Imaging sonar performance, and you'll be able to scan deeper and wider without sacrificing clarity. Superior Material – Made of excellent quality copper, the sheath is made of PVC (Polyvinyl chloride) material, it has superior performance and corrosion resistance, IP68-rated waterproof connectors are metal tipped to prevent sonar interference. Easy to Install - Align pins and key. Thread cable collar together. Tighten until snug. Satisfaction Guarantee - Besttruck values customers shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product when you receive, you can choose to return it within 30 days, we provide a one-year warranty, or you can feel free to contact us. 1852088 MKR-MI-1 adapter cable fit for Humminbird HELIX 8, 9, 10, 12 or 15 Fish Finder. Adapter not required for SOLIX models