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. : The cable end is made of high-quality metal and rubber material, featuring an NMEA 2000 standard 5-pin connector with gold-plated contacts. It offers excellent oil resistance, seawater resistance, water resistance, and rust resistance. Waterproof performance meets IP67 standard, capable of being submerged in water up to 1 meter deep for 24 hours. Easy to use: NMEA 2000 network cables are designed for easy installation and use, equipped with simple and economical male and female connectors. Connect the device and T-connector for a reliable network connection. Color: Black Material: Plastic Package Contents: 1 x Extension Cable Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement error allowance is +/- 1-3 cm.