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 compatible with Garmin, Lowrance, Simrad, B&G, and Navico systems. High Quality Material: The cable ends are constructed with high-quality metal and rubber materials, featuring an NMEA 2000 standard 5-pin connector with gold-plated contacts. Offers excellent resistance to oil, seawater, water, and rust. Waterproof Performance: Rated IP67, tested to withstand immersion in water up to 1 meter deep for 24 hours. Easy to Use: Designed for simple installation with male and female connectors. Connect the device and T-connector for a stable network connection and reliable performance. Color: Black Material: Plastic Package Contents: 1 x Extension Cable Note: Light reflection and display settings may cause slight variations between the color of the item in the image and the actual product. Measurement error allowance is +/- 1-3 cm.