Features: 1.DURABLE MATERIAL: The tank transmitter is made of heavy duty 316 stainless steel, which possesses corrosion resistance, good mechanical properties and high strength 2.STABLE AND RELIABLE: The water level sensor is reed pipe, durable and reliable, stable output signal. The tank does not need to be adjusted 3.WIDE APPLICATION: Fuel level sensors are suitable for boats, cars, trucks, buses and marine applications. Suitable for oil level gauge, water level gauge and any liquid without impurities 4.EASY TO INSTALL AND CONNECT: Fuel level transmitter with washer, mounting screw, text and graphic instructions; The wiring instructions are easy to understand. The installation will take a total of about 15 minutes to get your meter working again 5.FOR DIFFERENT TANKS: To keep the transmitter from touching the bottom of the tank, the transmitter length should be in less than the tank depth if it is a plastic tank, or 0.5in less than the tank depth if it is a metal tank Specification: Item Type: Marine Fuel Sending Unit_x000D_ Product Material: _x000D_ Body: 316 stainless steel_x000D_ Cable: PVC_x000D_ Float: NBR_x000D_ Installation Method: Standard SAE 5 hole type_x000D_ Screw Size: M5 x 0.8_x000D_ Hole Diameter: Approx. 5mm / 0.20in_x000D_ Product Specifications: Approx. 275mm / 11in_x000D_ Recommended Tank Size: 285 ~ 300mm / 11.2 ~ 11.8in_x000D_ Output Signal: European standard 0-190ohms (0ohms when no load, 190ohms when full load)_x000D_ Resolution Range: Approx. 21mm / 0.83in_x000D_ Fuel and Water Level Sensor Type: Resistor_x000D_ Alarm Switch Rated Current: 500mA_x000D_ Protection Level: IP67_x000D_ Operating Temperature: -40 ~ +185(-40 ~ +85)_x000D_ Applicable: Ships, yachts, trucks, RV PackageList: 1 x Fuel Sending Device 5 x Screw 1 x Gasket