• Compatible with cars, motorcycles, and boats, preventing unexpected fuel shortages. • Works with the original fuel sensor and allows resistance adjustment for different sensors. • Includes a delay circuit to prevent flickering on the LED display while driving. • Blue LED visible even under intense sunlight; yellow LED indicates low fuel level and red LED indicates almost empty. • Easy to read thanks to its LED display of fuel status. • Specifications: Plastic and metal material, black housing color, 12V DC operating range, accuracy of +/-1%, operating temperature from -10 ℃ to +65 ℃, range of 0-566 OHMS. • Connection: black wire to positive (+12V), green wire to negative (-12V), yellow wire to the sensor. • Product dimensions: Width, Height, and Length of -0.1 cm; Weight of 0.06 kg.