Item Type: Fuel level gaugeMaterial: ABSVoltage: 8-18VSize: Approx. 52mm/2.05in(without oil float)Fitment: Suitable for resistance type oil quantity sensor, and the sensor range is less than or equal to 2k.Package List1 x Fuel Level Gauge1 x Wire Harness1High Accuracy: Oil level meter accurately displays tank oil level, suitable for resistance type oil level sensor, sensor range range 2k. 2LED Flashing Reminder: 10 LEDs show the remaining fuel level, 2 colors (red and green). Red LED light means gasoline is running out. 3Different Setting Modes: The fuel level gauge sets the minimum fuel level value. Set the maximum oil level value. Normal operation mode displays the current fuel level. 4Wiring Instructions: Red wire is connected to the ignition switch ACC. Green wire represents the fuel level sensor signal wire. The black wire is connected to the negative terminal of the battery. 5Wide Application: Professional and practical car fuel gauge, high sensitivity, easy to operate. Universal installation in any 818 volt vehicle.