1Main Function: This converter box can quickly collect sensor parameters and convert to for NMEA2000 networks parameters. 2Practical Feature: Sensor signal converter box can collect up to 13 sensor parameters, which is practical to use. 3Sturdy Structure: This for Nmea 2000 converter box is made from high strength Abs and metal materials, which is very solid and stable, wear resistant and durable to use in the marine environment. 4Highly Waterproof: This for Nmea 2000 converter box has tight and strong construction, which is IP67 waterproof, and can withstand harsh marine environment. 5Wide Applicability: This practical accessory is suitable for boats and yachts, with 9?32V Dc operating voltage can be widely used.