7 user selectable colors (blue white red green cyan violet and yellow) to match visual preferences of driver and visibility conditions. This specialty variant gauge is NASCAR approved and eliminates the Pro-Control output and wiring present on the standard production Elite series model. Set custom alert High and Low points specific to your vehicle &. receive full dial warning notification to highlight the need for driver attention. Acquire data for later review with one-touch Peak Recall functionality. Gauge kit includes wiring harness mounting hardware and detailed instructions for installation. 12 and 16 volt compatible compatible with nearly every street car or race car electrical system. Autometers Race Proven Digital Stepper Motor Electric Instruments Provide Unmatched Accuracy While Keeping Hazardous Fluids Outside Of The Vehicle. The accuracy of digital stepper motor gauges is further increased by utilizing a self calibration sequence during power up. This specialty pressure gauge includes a variant pressure transducer equipped with -4AN threads to allow for direct connection to plumbing often found in racing applications allowing for a reduction in adapter fittings.