ADVANCE defi CR METERGauges can be controlled from distance with the included switch unit Flat glass and precise graduation scale give more needle accuracy and high visibility 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 illumination color can be chosen from white, amber red, and blue 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 nighttime separately.(nighttime dimming cancellation function is available Peak value and warning value during driving are stored. Driving data can be stored and replayed up to 3 minutes Self-diagnosis system turns the warning LED on to indicate any wire disconnection, short circuit and serial communication errors. The microcontroller calibrates up to 270 degree angle in 3027 – 4600 segments (0.088°- 0.059°), and provides accurate vehicle information A mounting bracket, meter cup, regular position bezel are provided with this product