Output Signal: European standard 0-190 ohm fuel level sensor. Length: 225MM. Signal output: 0-190ohm. SAE 5-hole mounting pattern, heavy-duty 316 stainless steel and sturdy construction. Note: Fuel level sensors are available in two different system types: 0-190 and 240-33ohm. This sensor is 0-190ohm, please make sure your Fuel Level Gauge or Water Level Gauge is 0-190ohm before purchasing. It is important to make sure both are 0-190ohm, otherwise the mark will be reversed. Wide Application: The unit Fuel tank sending unit can support fuel level gauge and water level gauge for boat/RV/truck/car. Easy to Install: The fuel level sending unit comes with a fuel gauge, gasket, mounting screws, well-written and illustrated instructions; easy and quick installation by referring to the wiring diagram.