7 color user-selectable background illuminations (red blue green white yellow orange and violet) with adjustable brightness for day and night - with independent dimming of dial and pointer.. Features a peak recall function which enables the user to review high gauge readings. The highest reading will be stored by the gauge until it is cleared.. Includes patented light-weight spin-on bracket and pre-wired harness for simplified installation.. Patented Wide Angle dial design provides the largest viewable dial available in a 5" gauge.. Precision 280" brushless stepper motor movement provides a quiet fluid and accurate pointer movement with superior dial resolution.. User definable 5 LED alarm for high-visibility notification of Pit Road Speed and approaching redline. Helps drivers minimize speeding penalties and maximize gear selection with minimum distraction.. Compatible with most 1-12 cylinder engines with 12v ignitions. Some applications may require a tachometer adapter sold separately.