Item Type: LED Fuel Gauge_x000D_Material: Plastic + Metal_x000D_Led Color: Blue, Green, Yellow, Red_x000D_Material: ABS_x000D_Housing Color: Black_x000D_Range: DC 12V_x000D_Accuracy: +/-1%_x000D_Operating Temperature: -10-+ 65_x000D_OHM Range: 0-566 OHM_x000D_Application: Work with original fuel sensor_x000D_Resistance: Adjustable resistance for different fuel sensor_x000D_ _x000D_1. Eight blue or green LED displays the amount of oil in the tank (judging the amount of gasoline by the number shown),_x000D_2. 1 yellow LED indicates that gasoline is not enough_x000D_3. 1 red LED indicates that gasoline is nearly exhausted_x000D_4. The oil meter has a delay function circuit. LED flicker_x000D_5. Blue LED can be clearly displayed in the strong sunlight._x000D_Connection _x000D_Black wire connect to the positive supply (+ 12V)_x000D_Green Wire connect to the negative power supply (-12V)_x000D_Yellow wire connect to the sensor_x000D_Attention:_x000D_Red wire function: It is adjustable resistance for oil adjusting,_x000D_Do not need to use it at normal circumstances, if the oil amount is not_x000D_Display accurate, the red wire can be used to adjust the oil amount. 1LED fuel gauge, use LED to shows your car fuel state, easy and visualized to read. 2With delay function circuit that does not cause the LED display to flicker because the tank tilts while driving. 3Universal for car, motorcycle, etc. say goodbye to embarrassing situation like ran out of gas on the way. 4Blue LED can be clearly displayed even in strong sunlight, 1 yellow LED means that the gas is small, and 1 red LED means that the gas is almost exhausted. 5Can work with original fuel sensor, and the adjustable resistance allows different fuel sensor.1 xLED Fuel Gauge