Feature:1. LED fuel gauge, use LED to shows your car fuel state, easy and visualized to read.2. With delay function circuit that does not cause the LED display to flicker because the tank tilts while driving.3. Universal for car, motorcycle, etc. say goodbye to embarrassing situation like ran out of gas on the way.4. Blue 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.5. Can work with original fuel sensor, and the adjustable resistance allows different fuel sensor.Specification:Item Type: LED Fuel GaugeMaterial: Plastic + MetalLed Color: Blue, Green, Yellow, RedMaterial: ABSHousing Color: BlackRange: DC 12VAccuracy: +/-1%Operating Temperature: -10-+ 65OHM Range: 0-566 OHMApplication: Work with original fuel sensorResistance: Adjustable resistance for different fuel sensorDescription: 1. Eight blue or green LED displays the amount of oil in the tank (judging the amount of gasoline by the number shown),2. 1 yellow LED indicates that gasoline is not enough3. 1 red LED indicates that gasoline is nearly exhausted4. The oil meter has a delay function circuit. LED flicker5. Blue LED can be clearly displayed in the strong sunlight.Connection Description:Black wire connect to the positive supply (+ 12V)Green Wire connect to the negative power supply (-12V)Yellow wire connect to the sensorAttention:Red wire function: It is adjustable resistance for oil adjusting,Do not need to use it at normal circumstances, if the oil amount is notDisplay accurate, the red wire can be used to adjust the oil amount..Package List:1 x LED Fuel GaugeNote:This product must be used together with oil sensor (namely, oil floater).This product not have waterproof functions.The item can use for car, motorcycle or by your need!