Usage Tips:Suitability: Backbone drop or extension cables are used to connect sensors or displays to NMEA 2000 networks, or to extend N2K backbone cables Compatibility: The extension cable is suitable for NMEA 2000 networks and is also compatible with for Garmin, for Lowrance, for Simrad, for B&G and for Navico networks. material: The cable end is made of metal, rubber material, NMEA 2000 standard 5-pin connector, contact gold plated, with excellent oil resistance, seawater resistance, water resistance and rust resistance. Waterproof performance through IP67 level test, can be immersed in 1 meter deep water for 24 hours, excellent performance. Easy to use: NMEA 2000 network cables are designed to be easy to install and use, and are equipped with simple and economical male and female connectors. Simply connect the device and tee connector to ensure a stable Internet connection and provide you with an exceptional experience. Colour:Black Material:Plastic Package Contents: 1 * extension cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.