Universal 12V 2" 52mm ultra-thin car motorcycle fuel level gauge electronic 8 LED display Compatible: Suitable for 12V cars, motorcycles, trucks, etc. Details and features: The direct connection is easy to install and works with an oil capacity sensor (i.e. oil float). High-quality ultra-thin design, simple and atmospheric style, more intuitive to bring you accurate oil display. The blue LED remains clear in strong sunlight and does not affect your observation of him. The fuel gauge has a delay function circuit that does not cause the LED display to flash due to the tank shaking while driving. The dial is equipped with 10 LED lights, 8 blue LEDs show the amount of oil in the tank, 1 yellow LED indicates that gasoline is insufficient, and 1 red LED indicates that gasoline is running out, and the color is intuitive and easy to see. Product Description: Material: ABS plastic + iron Color: As shown Voltage: DC 12V Working temperature: -10C ~ + 65C Ohmic range: two-line (8-98 euros) three-line (33-565 euros) LED color: blue Number of LEDs: 10 LEDs (8 blue, 1 yellow, 1 red) Waterproof level: the front of the case is waterproof, and the wiring part on the back is not waterproof Red, black and yellow wiring installation: 1. The red wire is connected to the positive terminal of the power supply (+12V). 2. The black wire is connected to the negative pole of the power supply (-12V). 3. yellow wire connection sensor (oil float) signal input (note: can not be used at the same time as the original car's fuel gauge, otherwise this fuel gauge is inaccurate). Gray wiring installation: 1. gray line is not cut, applicable sensor ohmic range: two lines (8-98 ohms). 2. gray cut, applicable sensor ohmic range: three wires (33-565 ohms). Package includes: 1* Fuel Level Gauge (100% New Never Used or Installed). Note: This product is only suitable for vehicles with low resistance to full oil load or high resistance due to oil exhaustion. If your sensor (oil float) is in the opposite situation, place your order very carefully. All dimensions are measured by hand and may have slight deviations. Due to differences between monitors, images may not reflect the actual color of the product.