62mm 7 Color in 1 Racing Gauge GRe*dy Multi D/A LCD Digital Display Turbo Boost Gauge Car Gauge 2.5 Inch SIZE: 2.5 Inch (62mm) MATERIAL: ABS Plastic Fit to All Kinds of 4/6/8 Cylinder Engine Cars Visible Angle: 270 Degrees Power on Self Check with sound Gauge Holder Included Sensor and wires Included Can connect in series with multiple gauges Style: Balck Face Light Colors: 7 Colors (Switchable) Defi Gauge Defi Meter Auto Gauge Meter Car Gauge Car Meter Racing Gauge Defi BF Defi LCD Oil Press Oil Pressure Sensor EG EK Dashboard Vehicle Gauge Truck Gauge Turbo Boost Water Temp Water Temperature Oil Temp Oil Temperature Oil Press Oil Pressure Voltage RPM Tachometer EXT Temp EGT Exhaust Temperature Fuel Press Fuel Pressure Air Fuel Ratio Vacuum Installation: 1. 4 Pins Power Cables: Red -- Battery + White -- ACC + Yellow -- Lights + Black -- Battery - (Metal part of car) 2. Sensor and Signal Cables: RED -- Sensor WHITE BLACK -- Sensor BLACK