With digital display, intuitive observation. and stable parameter display, low power consumption. Simple installation, stable performance, anti vibration, anti shock. Smoke lens during the day,clear and LED Display during the night. a look and feel to your ,High and light weight. High accuracy and easy operation. Easy Installation, then you can use it conveniently. Only fit for 4 / 6/ 8 Cylinder Gasoline Car. Brand: Item Type:Car Auto Tachometer Condition : Brand new Product name :tachometer gauge Voltage : 12V Length : 75mm/2.95in Diameter : 57mm/2.24in Meansure Range: 0~8000RPM Feature : LED super display. Comes with installtion manual . Fitment : Universal Car 2inch/52mm diameter Tachometer Gauge (The compatibility just for reference .Please make the item fit for your car purchase.) Wire connection : Black : negative Red : Green : signal Colour: black + white Material: plastic + metal Contents: 1 * tachometer gauge 1 * manual Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.