12V Car Carbon Fiber 3.75" Tachometer Tacho Gauge with 7 LED

Features:Adjustable 7 LED Colors shift light on face.For 4/6/8 Cylinder Gasoline Cars.Easy install durable shockproof.High accuracy and easy operation.Wiring:Black - NegativeRed - PositiveGreen - Speed SignalYou can press the button of the dial and the gauge will light.Specifications:Color: Carbon FiberInput Voltage: 12VDiameter: 3.75 (95mm)Cable Length: Around 55cmReads: 0~8000 RPMPackage Size: 14 * 14 * 14cm / 5.5 * 5.5 * 5.5inWeight: 379.5g / 13ozPackage List:1 * 3.75 Tachometer Gauge1 * Installation Instruction1 * Package of fittingNote:NOT suitable for diesel vehicles Only for 12V petrol vehicles.