Interactive communication advanced system is implemented. Flat glass and precise graduation scale give more needle accuracy and high visibility. Gauges can be controlled from distance with the included switch unit. Opening and closing modes can be selected from 2 variations. The installation of additional gauges is easy. Just connect it with the other two gauges and attach the wire to Advance Control Unit. The light-emitting gauge always provides clear visibility with high contrast. The brightness is 200% compared to existing models. The needle pointer driven by original stepping motor has a smooth instantaneous response to rapid acceleration of high performance vehicles. Brightness can be adjusted by selecting from five levels for daytime and night-time separately. night-time dimming cancellation function is available. The micro controller calibrates up to 270 degree angle in 3027 - 4600 segments (0.088°- 0.059°), and provides accurate vehicle information. Self-diagnosis system turns the warning LED on to indicate any wire disconnection, short circuit and serial communication errors. Warning by buzzer sound when the warning LED is on (buzzer sound can be turned on / off). Peak value and warning value during driving are stored. Driving data can be stored and replayed up to 3 minutes.A mounting bracket, meter cup, regular position bezel are provided with this product. With both fuel pressure gauge and turbo installed, differential pressure can be monitored on the fuel pressure gauge screen.