A. Compatible models: This fuel gauge is suitable for fuel level sensors with a 0 - 90 ohm signal and can be used in fields such as ships, cars, motorcycles, RVs, tractors, trucks, generators, or in the maritime and vehicle industries. B. Outstanding performance: The instrument of this 0 - 90 ohm fuel gauge uses the dynamic magnetic principle to drive the pointer. It is sturdy, durable, has good shock resistance, and an anti - fog function. The wiring harness and connectors are fixed with clips to ensure a relatively stable connection between the wiring harness and the fuel gauge in various situations. It has relatively high sensitivity and is simple and convenient to use. C. Materials: This fuel level gauge uses IP67 - grade materials and a 316 stainless - steel frame, which are waterproof and dustproof. The dial diameter is 2 inches (52 mm), suitable for a 2 - 1/16 inch (52.4 mm) opening. The signal input is 0 - 90 ohms, which can display the remaining diesel or gasoline level in the fuel tank. D. LED lighting design: The dial adopts an LED red signal light design. Whether it is day or night, one can easily read the fuel level information on the dial, which helps ensure driving safety. E. Package contents: 1 piece of 0 - 90 ohm fuel gauge, 1 multi - plug socket, and 1 instruction manual. If you encounter any problems during installation or use, please contact us, and we will try to reply as soon as possible.