Feature: 1. Circular Float: The fuel level transmitter is circular floating design, with excellent reed switch, durable and reliable, and will not damage moving parts. 2. Applicable Range: The fuel level sensor is applicable to 110-125mm water tank, suitable for ships, yachts, recreational vehicles, trucks and other equipments. 3. Easy Installation: Reed tube and fixed resistor, with SAE 5 hole installation mode, equipped with gasket and screws, convenient for installation and removal. 4. High Accuracy: The output signal is European standard 0‑190 ohms, 0 ohms at no load and 190 ohms at full load, the sensor has high resolution and accuracy. 5. For Marine Use: The fuel water level sensor has IP67 protection grade, applicable to most marine equipment, can be used in various environments. Specification: Item Type: Fuel Level Sensor Body Material: 316 Stainless Steel Cable Material: PVC Float Material: NBR Installation Method: Standard SAE 5 Hole Type Screw Size: M5 x 0.8 Aperture: Approx. 5mm / 0.2in Specification: Approx. 100mm / 4in Recommended Water Tank Size: Approx. 110-125mm / 4.35-5in Resolution Range: 10mm Fuel Water Level Sensor Type: Resistance Alarm Switch Rated Current: 500mA Protection Grade: IP67 Operating Temperature: -40℉ to 185℉ (-40℃ to 85℃) Application: Ships, yachts, cars, trucks, RV. Package List: 1 x Fuel Level Sensor5 x Screws1 x Gasket Note: In order to prevent the transmitter from touching the tank bottom, if it is a plastic tank, the length of the transmitter shall be 1 inch less than the tank depth, and if it is a plastic tank, it shall be 0.5 inch less than the tank depth.