Feature: 1. Application: Adapts US standard (240‑33 ohm) resistive sensors to for NMEA 2000 Network; Adapts EU standard (0‑190 ohm) resistive sensors to for NMEA 2000 Network. 2. Characteristic: 6 tank types including fuel, fresh water, waste water, live well, oil, black water, 1 rudder type (0‑190 ohm resistive sensor). Tank number(s) up to 4 per tank type. 3. Safe and Reliable: Designed with reverse connection protection and IP67 waterproof rating, for NMEA2000 multifunction converter is safe to use. 4. Rugged Construction: For NMEA2000 conversion box is made of sturdy metal shell, impact resistant, high hardness, not easy to break. 5. Rigorous Testing: This boat conversion box has been extensively tested for quality and safety performance, can be used for long time. Specification: Item Type: for NMEA2000 Converter Material: Metal Voltage: 9-32V DC Power Consumption: <50Ma Battery: Reverse Connection Protection Protection Level: IP67 Application: Marine Boat Accessory Tool. Package List: 1 x for NMEA2000 Converter1 x Screwdriver1 x Manual Note: 1. The conversion box defaults to a fuel level (0‑190ohm) of 1 tank. You can open the lid to adjust to the matching function2. Conversion box can match EU sensor (0‑190ohm) and US sensor (240‑33ohm)