2" 52mm 7 Colors LED Dual Display Boost/Water/Oil temp/Oil preure/Volt/Air fuel Ratio/EGT/Tachometer Car Gauge +Gauge Pods Clear and bright LED Display with7 colorson one gauge. The button on the screen can switch the color of light you want.It is designed as analog/digital dual display.Diameter:2"/52mm Current:IGN MAX 0.3A ILM 0.3A Power:DC(10-15V) 12V Profeional Comes with installation manual. Note: 1.The light of the actual gauge may be slightly different from that shown onthephoto,Hope you could understand! 2.Profeional Installation Is Highly Recommended! 3.High speed stepper motor with a quick response! Fitment: Fit For 12Volts,4/6/8 cylinders and gasolineCars: 1.Boost Gauge Psi 2.Boost Gauge Bar 3.Water Temp Gauge 4.Oil Temp Gauge 5.Oil Pre Bar 6.Oil Pre Psi 7.Voltmeter 8.Air fuel ratio Gauge 9.Exhaust gas temp Gauge 10.Tachometer Gauge pods: 1.Single pod 2.Dual Pod 3.Triple Pod 4.Gauge Holder 5.Dual in black 6.Triple in black 1.Boost Gauge Psi 2.Boost Gauge Bar 3.Water Temp Gauge 4.Oil Temp Gauge 5.Oil Pre Bar 6.Oil Pre Psi 7.Voltmeter 8.Air fuel ratio Gauge 9.Exhaust gas temp Gauge 10.Tachometer Gauge pods: 1.Single pod 2.Dual Pod 3.Triple Pod 4.Gauge Holder 5.Dual in black 6.Triple in black Detail: